TOP 5 FREE PYTHON RESOURCES FOR BEGINNERS Learn Python the Hard Way is a free ebook available online that gives you a great foundational knowledge of Python code. The book covers everything from the most basic (how to get set up when you first begin) to super complex (how to build a game). 3. Google's Python Class. Google's Python class is a great resource for someone looking

to get a

HOW TO CREATE A PYTHON PACKAGE The code is pretty much self-explanatory! The class has a property named members – which is a list of some mammals we might be interested in. It also has a method named printMembers which simply prints the list of mammals of this class! Remember, when you create a Python package, all classes must be capable of being imported, and won't be executed directly. HOW TO CREATE DICTIONARY IN PYTHON Create a dictionary in Python. To define a Python dictionary you should define it between curly brackets ex: {}. To Assign the value to it's key you should add columns. data = {"key": "value"} continuing with the student's courses example Let's check how we can implement

this:

BUILD GAMES FOR PYTHON USING PYGAME Build Games for Python Using Pygame. Pygame is a set of modules designed to help you write Python games by providing you with extra functionalities and libraries. It's free, supports Python 3.2 and up, runs on just about every operating system and platforms, and has over a million downloads, so it's very widely used. Pygame is super speedy HASHING FILES WITH PYTHON MD5 File Hash in Python. The code is made to work with Python 2.7 and higher (including Python 3.x). The code above calculates the MD5 digest of the file. The file is opened in rb mode, which means that you are going to read the file in binary mode. This is because the MD5 function needs to read the file as a sequence of bytes. HOW TO EMBED AN INTERACTIVE PYTHON INTERPRETER CONSOLE Line 5 prints 0 as the console has its own namespace. Note that the console object is a regular, runtime object; it runs code in the same thread and process as the code that initialises it, so a call to runcode will ordinarily block.. Python's code module also provides an InteractiveInterpreter class, which will automatically evaluate expressions, just like Python Interactive Mode, but it is HOW TO GENERATE A RANDOM NUMBER IN PYTHON The process is the same, but you'll need to use a little more arithmetic to make sure that the random integer is in fact a multiple of five. Check out the code below: import random for x in range(10): print random.randint(1,21)*5, print. Basically this code will generate a random number between 1 and 20, and then multiply that number by 5. HOW TO CONVERT DICTIONARY VALUES TO A LIST IN PYTHON In Python, a dictionary is a built-in data type that can be used to store data in a way thats different from lists or arrays. Dictionaries aren't sequences, so they can't be indexed by a range of numbers, rather, they're indexed by a series of keys. USING PYTHON'S TABNANNY MODULE FOR CLEANER CODE Using Python’s Tabnanny Module for Cleaner Code. Tabnanny is a module in Python that checks your source code for ambiguous indentation. This module is useful because in Python, white space isn't supposed to be ambiguous, and if your source code contains any weird combinations of tabs and spaces, tabnanny will let you know. HOW TO SORT PYTHON DICTIONARIES BY KEY OR VALUE Note: If you want to sort a list, tuple or object in Python, checkout this article: How to Sort a List or Tuple in Python The dict (dictionary) class object in Python is a very versatile and useful container type, able to store a collection of values and retrieve them via keys. The values can be objects of any type (dictionaries can even be nested with other dictionaries) and the keys can be TOP 5 FREE PYTHON RESOURCES FOR BEGINNERS Learn Python the Hard Way is a free ebook available online that gives you a great foundational knowledge of Python code. The book covers everything from the most basic (how to get set up when you first begin) to super complex (how to build a game). 3. Google's Python Class. Google's Python class is a great resource for someone looking

to get a

HOW TO CREATE A PYTHON PACKAGE The code is pretty much self-explanatory! The class has a property named members – which is a list of some mammals we might be interested in. It also has a method named printMembers which simply prints the list of mammals of this class! Remember, when you create a Python package, all classes must be capable of being imported, and won't be executed directly. HOW TO CREATE DICTIONARY IN PYTHON Create a dictionary in Python. To define a Python dictionary you should define it between curly brackets ex: {}. To Assign the value to it's key you should add columns. data = {"key": "value"} continuing with the student's courses example Let's check how we can implement

this:

BUILD GAMES FOR PYTHON USING PYGAME Build Games for Python Using Pygame. Pygame is a set of modules designed to help you write Python games by providing you with extra functionalities and libraries. It's free, supports Python 3.2 and up, runs on just about every operating system and platforms, and has over a million downloads, so it's very widely used. Pygame is super speedy HASHING FILES WITH PYTHON MD5 File Hash in Python. The code is made to work with Python 2.7 and higher (including Python 3.x). The code above calculates the MD5 digest of the file. The file is opened in rb mode, which means that you are going to read the file in binary mode. This is because the MD5 function needs to read the file as a sequence of bytes. HOW TO EMBED AN INTERACTIVE PYTHON INTERPRETER CONSOLE Line 5 prints 0 as the console has its own namespace. Note that the console object is a regular, runtime object; it runs code in the same thread and process as the code that initialises it, so a call to runcode will ordinarily block.. Python's code module also provides an InteractiveInterpreter class, which will automatically evaluate expressions, just like Python Interactive Mode, but it is HOW TO GENERATE A RANDOM NUMBER IN PYTHON The process is the same, but you'll need to use a little more arithmetic to make sure that the random integer is in fact a multiple of five. Check out the code below: import random for x in range(10): print random.randint(1,21)*5, print. Basically this code will generate a random number between 1 and 20, and then multiply that number by 5. HOW TO CONVERT DICTIONARY VALUES TO A LIST IN PYTHON In Python, a dictionary is a built-in data type that can be used to store data in a way thats different from lists or arrays. Dictionaries aren't sequences, so they can't be indexed by a range of numbers, rather, they're indexed by a series of keys. USING PYTHON'S TABNANNY MODULE FOR CLEANER CODE Using Python’s Tabnanny Module for Cleaner Code. Tabnanny is a module in Python that checks your source code for ambiguous indentation. This module is useful because in Python, white space isn't supposed to be ambiguous, and if your source code contains any weird combinations of tabs and spaces, tabnanny will let you know. HOW TO SORT PYTHON DICTIONARIES BY KEY OR VALUE Note: If you want to sort a list, tuple or object in Python, checkout this article: How to Sort a List or Tuple in Python The dict (dictionary) class object in Python is a very versatile and useful container type, able to store a collection of values and retrieve them via keys. The values can be objects of any type (dictionaries can even be nested with other dictionaries) and the keys can be HOW TO CREATE A PYTHON PACKAGE The code is pretty much self-explanatory! The class has a property named members – which is a list of some mammals we might be interested in. It also has a method named printMembers which simply prints the list of mammals of this class! Remember, when you create a Python package, all classes must be capable of being imported, and won't be executed directly. HOW TO USE PYTHON TO MULTIPLY STRINGS To simply multiply a string, this is the most straightforward way to go about doing it: 2*'string'. The output for the code above would be: stringstring. This works, obviously, but it's not perfect if you don't want your multiplied string to read as one large, giant string. If you want your strings to be separated and not just read as one long HOW TO USE PYTHON'S XRANGE AND RANGE Deprecation of Python's xrange. One more thing to add. In Python 3.x, the xrange function does not exist anymore. The range function now does what xrange does in Python 2.x, so to keep your code portable, you might want to stick to using range instead. Of course, you could always use the 2to3 tool that Python provides in order to convert your code, but that introduces more complexity. FINDING DUPLICATE FILES WITH PYTHON The findDup function is using os.walk to traverse the given directory. If you need a more comprehensive guide about it, take a look at the How to Traverse a Directory Tree in Python article. The os.walk function only returns the filename, so we use os.path.join to get the full path to the file. Then we'll get the file's hash and store it into the dups dictionary. WRITING SIMPLE VIEWS FOR YOUR FIRST PYTHON DJANGO Summary. In this article, we wrote our first two views.The index view shows a list of posts that are created by users less than two days ago and the detail view presents the detailed content of a Post.Generally speaking, the process of writing a view involves:. Write URL patterns for the view in myblog/urls.py; Write the actual view's code in

myblog/views.py

MERGE SORT: A QUICK TUTORIAL AND IMPLEMENTATION GUIDE On merging the two lists as discussed above this is what we get: Clearly, the merged list is not sorted. So we need to compare the elements before making one big sorted list. Let us see this with an example. a = b = Step 1: 1>> a = And we want to sort them in ascending

order. All

HOW TO SORT PYTHON DICTIONARIES BY KEY OR VALUE Note: If you want to sort a list, tuple or object in Python, checkout this article: How to Sort a List or Tuple in Python The dict (dictionary) class object in Python is a very versatile and useful container type, able to store a collection of values and retrieve them via keys. The values can be objects of any type (dictionaries can even be nested with other dictionaries) and the keys can be HOW TO CALL A FUNCTION IN PYTHON GUIDE This called scope. we will talk more about it in the next section. Let's define a function. def func_name (): """ Here is a docstring for the fucntion. """ return True. The above code describes how to define a function in Python. It has the def keyword to tell Python that the next name is a function name. HOW TO CREATE DICTIONARY IN PYTHON Create a dictionary in Python. To define a Python dictionary you should define it between curly brackets ex: {}. To Assign the value to it's key you should add columns. data = {"key": "value"} continuing with the student's courses example Let's check how we can implement

this:

FUN WITH PYTHON FUNCTION PARAMETERS This function has 3 positional parameters (each one gets the next value passed to the function when it is called – val1 gets the first value (1), val2 gets the second value (2), etc).. Named Python Functional Parameters (with defaults) Python also supports named parameters, so that when a function is called, parameters can be explicitly assigned a value by name. PY2EXE: PYTHON TO EXE INTRODUCTION The setup function now is receiving a parameter windows= telling py2exe that this is a GUI application. Again create the executable running python setup.py py2exe in the Windows command prompt. To run the application just navigate to the dist folder in the Windows Explorer and double-click tkexample.exe.. Using External Modules. The previous examples were importing modules from HOW TO INSTALL VIRTUALENV (PYTHON) Note: Edited comments about the --no-site-packages argument now being default, thanks to @dideler on Twitter. Python is a very powerful scripting language. The language has lots of Python packages you can install and use in your projects. Sometimes, you may have different projects that need different versions of the same package/module. PYTHON'S RANGE() FUNCTION EXPLAINED So in Python 3.x, the range() function got its own type.In basic terms, if you want to use range() in a for loop, then you're good to go. However you can't use it purely as a list object. For example you cannot slice a range type.. When you're using an iterator, every loop of the for statement produces the next number on the fly. Whereas the original range() function produced all numbers HOW TO GENERATE A RANDOM NUMBER IN PYTHON The process is the same, but you'll need to use a little more arithmetic to make sure that the random integer is in fact a multiple of five. Check out the code below: import random for x in range(10): print random.randint(1,21)*5, print. Basically this code will generate a random number between 1 and 20, and then multiply that number by 5. HOW TO SLICE LISTS/ARRAYS AND TUPLES IN PYTHON HOW TO SORT A LIST, TUPLE OR OBJECT (WITH SORTED) IN PYTHON Sorting a Python List the Simple Way. Okay, so if you only want to sort a list of numbers, Python has a built in function that does all the hard work for you. Say we have a list of numbers: 1. >>> a = And we want to sort them in ascending

order. All

HOW TO SORT PYTHON DICTIONARIES BY KEY OR VALUE Note: If you want to sort a list, tuple or object in Python, checkout this article: How to Sort a List or Tuple in Python The dict (dictionary) class object in Python is a very versatile and useful container type, able to store a collection of values and retrieve them via keys. The values can be objects of any type (dictionaries can even be nested with other dictionaries) and the keys can be TOP 5 FREE PYTHON RESOURCES FOR BEGINNERS Learn Python the Hard Way is a free ebook available online that gives you a great foundational knowledge of Python code. The book covers everything from the most basic (how to get set up when you first begin) to super complex (how to build a game). 3. Google's Python Class. Google's Python class is a great resource for someone looking

to get a

FUN WITH PYTHON FUNCTION PARAMETERS This function has 3 positional parameters (each one gets the next value passed to the function when it is called – val1 gets the first value (1), val2 gets the second value (2), etc).. Named Python Functional Parameters (with defaults) Python also supports named parameters, so that when a function is called, parameters can be explicitly assigned a value by name. PYTHON'S RANGE() FUNCTION EXPLAINED So in Python 3.x, the range() function got its own type.In basic terms, if you want to use range() in a for loop, then you're good to go. However you can't use it purely as a list object. For example you cannot slice a range type.. When you're using an iterator, every loop of the for statement produces the next number on the fly. Whereas the original range() function produced all numbers HOW TO INSTALL VIRTUALENV (PYTHON) Note: Edited comments about the --no-site-packages argument now being default, thanks to @dideler on Twitter. Python is a very powerful scripting language. The language has lots of Python packages you can install and use in your projects. Sometimes, you may have different projects that need different versions of the same package/module. HOW TO RUN A PYTHON SCRIPT VIA A FILE OR THE SHELL If you can't execute or run a Python script, then programming is pointless.When you run a Python script, the interpreter converts a Python program into something that that the computer can understand. Executing a Python program can be done in two ways: calling the Python interpreter with a shebang line, and using the interactive Python shell.. Run a Python Script as a File HOW TO GENERATE A RANDOM NUMBER IN PYTHON The process is the same, but you'll need to use a little more arithmetic to make sure that the random integer is in fact a multiple of five. Check out the code below: import random for x in range(10): print random.randint(1,21)*5, print. Basically this code will generate a random number between 1 and 20, and then multiply that number by 5. LISTS IN PYTHON: HOW TO CREATE A LIST IN PYTHON The Python lists are widely used in python. Lists are one of the most used data structures in Python. It's an unordered data store. In this article, we will learn how to work with lists in Python. HTML PARSER: HOW TO SCRAPE HTML CONTENT To answer this, let's use an example. Go to the website NYTimes and right click on the page. Select View page source or simply press the keys Ctrl + u on your keyboard. A new page opens containing a number of links, HTML tags, and content. This is the source from CHECK IF A STRING IS A NUMBER IN PYTHON (INCLUDING UNICODE 1. # -*- coding: utf-8 -*-. The following function is arguably one of the quickest and easiest methods to check if a string is a number. It supports str, and Unicode, and will work in Python 3 and Python 2. HOW TO CONVERT DICTIONARY VALUES TO A LIST IN PYTHON In Python, a dictionary is a built-in data type that can be used to store data in a way thats different from lists or arrays. Dictionaries aren't sequences, so they can't be indexed by a range of numbers, rather, they're indexed by a series of keys. HOW TO CREATE DICTIONARY IN PYTHON Create a dictionary in Python. To define a Python dictionary you should define it between curly brackets ex: {}. To Assign the value to it's key you should add columns. data = {"key": "value"} continuing with the student's courses example Let's check how we can implement

this:

BUILD GAMES FOR PYTHON USING PYGAME Build Games for Python Using Pygame. Pygame is a set of modules designed to help you write Python games by providing you with extra functionalities and libraries. It's free, supports Python 3.2 and up, runs on just about every operating system and platforms, and has over a million downloads, so it's very widely used. Pygame is super speedy HOW TO INSTALL VIRTUALENV (PYTHON) Note: Edited comments about the --no-site-packages argument now being default, thanks to @dideler on Twitter. Python is a very powerful scripting language. The language has lots of Python packages you can install and use in your projects. Sometimes, you may have different projects that need different versions of the same package/module. TIME A PYTHON FUNCTION Notice that we used two ways to measure this function. The first way passed in the Python callable costly_func while the second way passed in the raw Python statements of costly_func.Although the first way's timing overhead is a little larger than the second way, we usually prefer the first one since it's more readable and easier to maintain. HASHING FILES WITH PYTHON MD5 File Hash in Python. The code is made to work with Python 2.7 and higher (including Python 3.x). The code above calculates the MD5 digest of the file. The file is opened in rb mode, which means that you are going to read the file in binary mode. This is because the MD5 function needs to read the file as a sequence of bytes. HOW TO GENERATE A RANDOM NUMBER IN PYTHON The process is the same, but you'll need to use a little more arithmetic to make sure that the random integer is in fact a multiple of five. Check out the code below: import random for x in range(10): print random.randint(1,21)*5, print. Basically this code will generate a random number between 1 and 20, and then multiply that number by 5. HOW TO CONVERT DICTIONARY VALUES TO A LIST IN PYTHON In Python, a dictionary is a built-in data type that can be used to store data in a way thats different from lists or arrays. Dictionaries aren't sequences, so they can't be indexed by a range of numbers, rather, they're indexed by a series of keys. SELECTION SORT: A QUICK TUTORIAL AND IMPLEMENTATION GUIDESEE MORE ON

PYTHONCENTRAL.IO

HOW TO SORT A LIST, TUPLE OR OBJECT (WITH SORTED) IN PYTHON Sorting a Python List the Simple Way. Okay, so if you only want to sort a list of numbers, Python has a built in function that does all the hard work for you. Say we have a list of numbers: 1. >>> a = And we want to sort them in ascending

order. All

HOW TO SORT PYTHON DICTIONARIES BY KEY OR VALUE Note: If you want to sort a list, tuple or object in Python, checkout this article: How to Sort a List or Tuple in Python The dict (dictionary) class object in Python is a very versatile and useful container type, able to store a collection of values and retrieve them via keys. The values can be objects of any type (dictionaries can even be nested with other dictionaries) and the keys can be HOW TO CREATE DICTIONARY IN PYTHON Create a dictionary in Python. To define a Python dictionary you should define it between curly brackets ex: {}. To Assign the value to it's key you should add columns. data = {"key": "value"} continuing with the student's courses example Let's check how we can implement

this:

BUILD GAMES FOR PYTHON USING PYGAME Build Games for Python Using Pygame. Pygame is a set of modules designed to help you write Python games by providing you with extra functionalities and libraries. It's free, supports Python 3.2 and up, runs on just about every operating system and platforms, and has over a million downloads, so it's very widely used. Pygame is super speedy HOW TO INSTALL VIRTUALENV (PYTHON) Note: Edited comments about the --no-site-packages argument now being default, thanks to @dideler on Twitter. Python is a very powerful scripting language. The language has lots of Python packages you can install and use in your projects. Sometimes, you may have different projects that need different versions of the same package/module. TIME A PYTHON FUNCTION Notice that we used two ways to measure this function. The first way passed in the Python callable costly_func while the second way passed in the raw Python statements of costly_func.Although the first way's timing overhead is a little larger than the second way, we usually prefer the first one since it's more readable and easier to maintain. HASHING FILES WITH PYTHON MD5 File Hash in Python. The code is made to work with Python 2.7 and higher (including Python 3.x). The code above calculates the MD5 digest of the file. The file is opened in rb mode, which means that you are going to read the file in binary mode. This is because the MD5 function needs to read the file as a sequence of bytes. HOW TO GENERATE A RANDOM NUMBER IN PYTHON The process is the same, but you'll need to use a little more arithmetic to make sure that the random integer is in fact a multiple of five. Check out the code below: import random for x in range(10): print random.randint(1,21)*5, print. Basically this code will generate a random number between 1 and 20, and then multiply that number by 5. HOW TO CONVERT DICTIONARY VALUES TO A LIST IN PYTHON In Python, a dictionary is a built-in data type that can be used to store data in a way thats different from lists or arrays. Dictionaries aren't sequences, so they can't be indexed by a range of numbers, rather, they're indexed by a series of keys. SELECTION SORT: A QUICK TUTORIAL AND IMPLEMENTATION GUIDESEE MORE ON

PYTHONCENTRAL.IO

HOW TO SORT A LIST, TUPLE OR OBJECT (WITH SORTED) IN PYTHON Sorting a Python List the Simple Way. Okay, so if you only want to sort a list of numbers, Python has a built in function that does all the hard work for you. Say we have a list of numbers: 1. >>> a = And we want to sort them in ascending

order. All

HOW TO SORT PYTHON DICTIONARIES BY KEY OR VALUE Note: If you want to sort a list, tuple or object in Python, checkout this article: How to Sort a List or Tuple in Python The dict (dictionary) class object in Python is a very versatile and useful container type, able to store a collection of values and retrieve them via keys. The values can be objects of any type (dictionaries can even be nested with other dictionaries) and the keys can be HOW TO CREATE A PYTHON PACKAGE The code is pretty much self-explanatory! The class has a property named members – which is a list of some mammals we might be interested in. It also has a method named printMembers which simply prints the list of mammals of this class! Remember, when you create a Python package, all classes must be capable of being imported, and won't be executed directly. HOW TO INSTALL VIRTUALENV (PYTHON) Note: Edited comments about the --no-site-packages argument now being default, thanks to @dideler on Twitter. Python is a very powerful scripting language. The language has lots of Python packages you can install and use in your projects. Sometimes, you may have different projects that need different versions of the same package/module. FUN WITH PYTHON FUNCTION PARAMETERS This function has 3 positional parameters (each one gets the next value passed to the function when it is called – val1 gets the first value (1), val2 gets the second value (2), etc).. Named Python Functional Parameters (with defaults) Python also supports named parameters, so that when a function is called, parameters can be explicitly assigned a value by name. TIME A PYTHON FUNCTION Notice that we used two ways to measure this function. The first way passed in the Python callable costly_func while the second way passed in the raw Python statements of costly_func.Although the first way's timing overhead is a little larger than the second way, we usually prefer the first one since it's more readable and easier to maintain. HOW TO USE PYTHON'S XRANGE AND RANGE Deprecation of Python's xrange. One more thing to add. In Python 3.x, the xrange function does not exist anymore. The range function now does what xrange does in Python 2.x, so to keep your code portable, you might want to stick to using range instead. Of course, you could always use the 2to3 tool that Python provides in order to convert your code, but that introduces more complexity. INTRODUCTION TO SQLITE IN PYTHON This article is part 1 of 2 in the series Python SQLite Tutorial. SQLite3 is a very easy to use database engine. It is self-contained, serverless, zero-configuration and transactional. It is very fast and lightweight, and the entire database is stored in a single disk file.

It is used in

HASHING FILES WITH PYTHON MD5 File Hash in Python. The code is made to work with Python 2.7 and higher (including Python 3.x). The code above calculates the MD5 digest of the file. The file is opened in rb mode, which means that you are going to read the file in binary mode. This is because the MD5 function needs to read the file as a sequence of bytes. HOW TO IMPLEMENT AN 'ENUM' IN PYTHON Using zip and range, the code automatically assigns an integer value to each name in args.. Tips and Suggestions for Python enums. An enum helps limit the exposed choices of values for an attribute, which could be very useful in real-world programming. When dealing with databases, an enum that is identical across Python and the database management system could prevent lots of hard-to-find bugs. HOW TO SLICE CUSTOM OBJECTS/CLASSES IN PYTHON Here, we declare a class with a list as the back-end of our structure. MyStructure doesn't really do that much, but you can add, remove, and get items from it, so it's still useful in a sense. The only method we need to pay attention to in particular here is the __getitem__ method. This method is called whenever we try to get an item from our

structure.

CHECK IF A STRING IS A NUMBER IN PYTHON (INCLUDING UNICODE 1. # -*- coding: utf-8 -*-. The following function is arguably one of the quickest and easiest methods to check if a string is a number. It supports str, and Unicode, and will work in Python 3 and Python 2. HOW TO CREATE DICTIONARY IN PYTHON Create a dictionary in Python. To define a Python dictionary you should define it between curly brackets ex: {}. To Assign the value to it's key you should add columns. data = {"key": "value"} continuing with the student's courses example Let's check how we can implement

this:

BUILD GAMES FOR PYTHON USING PYGAME Build Games for Python Using Pygame. Pygame is a set of modules designed to help you write Python games by providing you with extra functionalities and libraries. It's free, supports Python 3.2 and up, runs on just about every operating system and platforms, and has over a million downloads, so it's very widely used. Pygame is super speedy HOW TO INSTALL VIRTUALENV (PYTHON) Note: Edited comments about the --no-site-packages argument now being default, thanks to @dideler on Twitter. Python is a very powerful scripting language. The language has lots of Python packages you can install and use in your projects. Sometimes, you may have different projects that need different versions of the same package/module. TIME A PYTHON FUNCTION Notice that we used two ways to measure this function. The first way passed in the Python callable costly_func while the second way passed in the raw Python statements of costly_func.Although the first way's timing overhead is a little larger than the second way, we usually prefer the first one since it's more readable and easier to maintain. HASHING FILES WITH PYTHON MD5 File Hash in Python. The code is made to work with Python 2.7 and higher (including Python 3.x). The code above calculates the MD5 digest of the file. The file is opened in rb mode, which means that you are going to read the file in binary mode. This is because the MD5 function needs to read the file as a sequence of bytes. HOW TO GENERATE A RANDOM NUMBER IN PYTHON The process is the same, but you'll need to use a little more arithmetic to make sure that the random integer is in fact a multiple of five. Check out the code below: import random for x in range(10): print random.randint(1,21)*5, print. Basically this code will generate a random number between 1 and 20, and then multiply that number by 5. HOW TO CONVERT DICTIONARY VALUES TO A LIST IN PYTHON In Python, a dictionary is a built-in data type that can be used to store data in a way thats different from lists or arrays. Dictionaries aren't sequences, so they can't be indexed by a range of numbers, rather, they're indexed by a series of keys. SELECTION SORT: A QUICK TUTORIAL AND IMPLEMENTATION GUIDESEE MORE ON

PYTHONCENTRAL.IO

HOW TO SORT A LIST, TUPLE OR OBJECT (WITH SORTED) IN PYTHON Sorting a Python List the Simple Way. Okay, so if you only want to sort a list of numbers, Python has a built in function that does all the hard work for you. Say we have a list of numbers: 1. >>> a = And we want to sort them in ascending

order. All

HOW TO SORT PYTHON DICTIONARIES BY KEY OR VALUE Note: If you want to sort a list, tuple or object in Python, checkout this article: How to Sort a List or Tuple in Python The dict (dictionary) class object in Python is a very versatile and useful container type, able to store a collection of values and retrieve them via keys. The values can be objects of any type (dictionaries can even be nested with other dictionaries) and the keys can be HOW TO CREATE DICTIONARY IN PYTHON Create a dictionary in Python. To define a Python dictionary you should define it between curly brackets ex: {}. To Assign the value to it's key you should add columns. data = {"key": "value"} continuing with the student's courses example Let's check how we can implement

this:

BUILD GAMES FOR PYTHON USING PYGAME Build Games for Python Using Pygame. Pygame is a set of modules designed to help you write Python games by providing you with extra functionalities and libraries. It's free, supports Python 3.2 and up, runs on just about every operating system and platforms, and has over a million downloads, so it's very widely used. Pygame is super speedy HOW TO INSTALL VIRTUALENV (PYTHON) Note: Edited comments about the --no-site-packages argument now being default, thanks to @dideler on Twitter. Python is a very powerful scripting language. The language has lots of Python packages you can install and use in your projects. Sometimes, you may have different projects that need different versions of the same package/module. TIME A PYTHON FUNCTION Notice that we used two ways to measure this function. The first way passed in the Python callable costly_func while the second way passed in the raw Python statements of costly_func.Although the first way's timing overhead is a little larger than the second way, we usually prefer the first one since it's more readable and easier to maintain. HASHING FILES WITH PYTHON MD5 File Hash in Python. The code is made to work with Python 2.7 and higher (including Python 3.x). The code above calculates the MD5 digest of the file. The file is opened in rb mode, which means that you are going to read the file in binary mode. This is because the MD5 function needs to read the file as a sequence of bytes. HOW TO GENERATE A RANDOM NUMBER IN PYTHON The process is the same, but you'll need to use a little more arithmetic to make sure that the random integer is in fact a multiple of five. Check out the code below: import random for x in range(10): print random.randint(1,21)*5, print. Basically this code will generate a random number between 1 and 20, and then multiply that number by 5. HOW TO CONVERT DICTIONARY VALUES TO A LIST IN PYTHON In Python, a dictionary is a built-in data type that can be used to store data in a way thats different from lists or arrays. Dictionaries aren't sequences, so they can't be indexed by a range of numbers, rather, they're indexed by a series of keys. SELECTION SORT: A QUICK TUTORIAL AND IMPLEMENTATION GUIDESEE MORE ON

PYTHONCENTRAL.IO

HOW TO SORT A LIST, TUPLE OR OBJECT (WITH SORTED) IN PYTHON Sorting a Python List the Simple Way. Okay, so if you only want to sort a list of numbers, Python has a built in function that does all the hard work for you. Say we have a list of numbers: 1. >>> a = And we want to sort them in ascending

order. All

HOW TO SORT PYTHON DICTIONARIES BY KEY OR VALUE Note: If you want to sort a list, tuple or object in Python, checkout this article: How to Sort a List or Tuple in Python The dict (dictionary) class object in Python is a very versatile and useful container type, able to store a collection of values and retrieve them via keys. The values can be objects of any type (dictionaries can even be nested with other dictionaries) and the keys can be HOW TO CREATE A PYTHON PACKAGE The code is pretty much self-explanatory! The class has a property named members – which is a list of some mammals we might be interested in. It also has a method named printMembers which simply prints the list of mammals of this class! Remember, when you create a Python package, all classes must be capable of being imported, and won't be executed directly. HOW TO INSTALL VIRTUALENV (PYTHON) Note: Edited comments about the --no-site-packages argument now being default, thanks to @dideler on Twitter. Python is a very powerful scripting language. The language has lots of Python packages you can install and use in your projects. Sometimes, you may have different projects that need different versions of the same package/module. FUN WITH PYTHON FUNCTION PARAMETERS This function has 3 positional parameters (each one gets the next value passed to the function when it is called – val1 gets the first value (1), val2 gets the second value (2), etc).. Named Python Functional Parameters (with defaults) Python also supports named parameters, so that when a function is called, parameters can be explicitly assigned a value by name. TIME A PYTHON FUNCTION Notice that we used two ways to measure this function. The first way passed in the Python callable costly_func while the second way passed in the raw Python statements of costly_func.Although the first way's timing overhead is a little larger than the second way, we usually prefer the first one since it's more readable and easier to maintain. HOW TO USE PYTHON'S XRANGE AND RANGE Deprecation of Python's xrange. One more thing to add. In Python 3.x, the xrange function does not exist anymore. The range function now does what xrange does in Python 2.x, so to keep your code portable, you might want to stick to using range instead. Of course, you could always use the 2to3 tool that Python provides in order to convert your code, but that introduces more complexity. INTRODUCTION TO SQLITE IN PYTHON This article is part 1 of 2 in the series Python SQLite Tutorial. SQLite3 is a very easy to use database engine. It is self-contained, serverless, zero-configuration and transactional. It is very fast and lightweight, and the entire database is stored in a single disk file.

It is used in

HASHING FILES WITH PYTHON MD5 File Hash in Python. The code is made to work with Python 2.7 and higher (including Python 3.x). The code above calculates the MD5 digest of the file. The file is opened in rb mode, which means that you are going to read the file in binary mode. This is because the MD5 function needs to read the file as a sequence of bytes. HOW TO IMPLEMENT AN 'ENUM' IN PYTHON Using zip and range, the code automatically assigns an integer value to each name in args.. Tips and Suggestions for Python enums. An enum helps limit the exposed choices of values for an attribute, which could be very useful in real-world programming. When dealing with databases, an enum that is identical across Python and the database management system could prevent lots of hard-to-find bugs. HOW TO SLICE CUSTOM OBJECTS/CLASSES IN PYTHON Here, we declare a class with a list as the back-end of our structure. MyStructure doesn't really do that much, but you can add, remove, and get items from it, so it's still useful in a sense. The only method we need to pay attention to in particular here is the __getitem__ method. This method is called whenever we try to get an item from our

structure.

CHECK IF A STRING IS A NUMBER IN PYTHON (INCLUDING UNICODE 1. # -*- coding: utf-8 -*-. The following function is arguably one of the quickest and easiest methods to check if a string is a number. It supports str, and Unicode, and will work in Python 3 and Python 2. This website uses cookies to ensure you get the best experience on our website. Read Our Privacy Policy

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