Bitwise Operators in Python
Today we’ll be talking about bitwise operators in Python. Here’s the video version of the article: Bitwise operators work on… Read More »Bitwise Operators in Python
Decision Making in Python
Today we’ll be talking about the if-elif-else statements used for decision making in Python. Here’s the video version of the… Read More »Decision Making in Python
numpy Part 13 – Operations on Two numpy Arrays
Today we’ll be talking about operations on two numpy arrays. It’s pretty easy to perform operations on two numpy arrays.… Read More »numpy Part 13 – Operations on Two numpy Arrays
Finding Paths in Graphs
Today we’ll be talking about paths in graphs. This article is a continuation of the previous one, so make sure… Read More »Finding Paths in Graphs
The Basics of Graphs with Python
Today we’ll be talking about graphs. Just the basics. What are Graphs? So, what is a graph? Have a look… Read More »The Basics of Graphs with Python
Dictionary Comprehensions in Python
Today we’ll be talking about dictionary comprehensions. Here’s the video version of the article: If you know how to use… Read More »Dictionary Comprehensions in Python
Set Comprehensions in Python
Today we’ll be talking about set comprehensions. If you know how to use list comprehensions, it’ll be much easier for… Read More »Set Comprehensions in Python
Generator Expressions in Python
Today we’ll be talking about generator expressions. If you haven’t read my previous six articles on generators (basics of generators,… Read More »Generator Expressions in Python
Generators Passed as Arguments
Today we’ll be talking about passing generators as arguments to other generators. If you haven’t read my previous five articles… Read More »Generators Passed as Arguments
numpy Part 12 – Operations with Scalars
Today we’ll be talking about numerical operations on numpy arrays with scalars. Scalars are numbers like integers or floats as… Read More »numpy Part 12 – Operations with Scalars
Recursive Generators in Python
Today we’ll be talking about recursive generators. Here’s the video version of the article: If you haven’t read my previous… Read More »Recursive Generators in Python
The YIELD FROM Statement in Generators
Today we’ll see how to use the yield from statement with generators. If you haven’t read my previous three articles… Read More »The YIELD FROM Statement in Generators
The throw Method on Generators
Today we’ll see how to use the throw method on generators. If you haven’t read my previous two articles on… Read More »The throw Method on Generators
How To Send Objects to Generators in Python
Today we’ll see how to send objects to generators. If you’re not quite sure what generators are and how they… Read More »How To Send Objects to Generators in Python
Generators in Python
Today we’ll be talking about generators. A generator is a function that yields a sequence of values using the yield… Read More »Generators in Python
numpy Part 11 – Structured numpy Arrays
Today we’ll learn how to create structured numpy arrays. In all the arrays up to now we had homogeneous data,… Read More »numpy Part 11 – Structured numpy Arrays
Drill – List Comprehensions in Python
Time for a list comprehensions drill. In the previous two articles we were talking about list comprehensions. Let’s practice them… Read More »Drill – List Comprehensions in Python
Matrix Column and Diagonal Retrieval with List Comprehensions
Today we’ll learn how to use list comprehensions to work with matrices. In particular we’ll be talking about matrix column… Read More »Matrix Column and Diagonal Retrieval with List Comprehensions
List Comprehension in Python
Today we’ll be talking about the list comprehension in Python. A list comprehension is used to create a list. It… Read More »List Comprehension in Python
Python Interpreter – Version, Path and Platform Check
Today we’ll see how to programmatically check a couple of things. In particular, we’ll be checking the version of the… Read More »Python Interpreter – Version, Path and Platform Check
How to Calculate a Percent Change Using Python
To calculate a percent change, you can use the following formula: pc = (new – old) / old * 100%… Read More »How to Calculate a Percent Change Using Python
numpy Part 10 – Data Type Objects in numpy
Today we’ll be talking about data type objects in numpy. Up to now we’ve been using dtype to determine the… Read More »numpy Part 10 – Data Type Objects in numpy
Kivy Part 20 – Slugrace – Race Screen GUI
In one of the previous parts we created a basic Race Screen GUI. This is the screen where we’re going… Read More »Kivy Part 20 – Slugrace – Race Screen GUI
Functional Programming in Python – the reduce Function
Today we’ll be talking about the reduce function, which, unlike the map and filter functions discussed in the previous articles,… Read More »Functional Programming in Python – the reduce Function
Functional Programming in Python – the filter Function
Today we’ll be talking about the filter function, which is, just like the map function, a built-in used in functional… Read More »Functional Programming in Python – the filter Function
Functional Programming in Python – the map Function
Today we’ll be talking about the map function, which is a built-in used in functional programming. In the following two… Read More »Functional Programming in Python – the map Function
Jump Tables in Python
Today we’ll be talking about jump tables. These are structures containing functions, usually lists or dictionaries. We can choose the… Read More »Jump Tables in Python
Function Annotations in Python
Today we’ll be talking about function annotations. These are user-defined data that add some information to functions. Annotations add information… Read More »Function Annotations in Python
Functions Embedded in Data Structures
Today we’ll be talking about functions embedded in data structures. Here’s the video version of this article: In Python functions… Read More »Functions Embedded in Data Structures
numpy Part 9 – numpy Identity Array
Today we’ll learn how to create numpy identity arrays. An identity array is a square array containing ones on the… Read More »numpy Part 9 – numpy Identity Array
Functions as First-Class Objects
Today we’ll be talking about functions in Python. Functions in Python are often described as first-class objects. It just means… Read More »Functions as First-Class Objects
Anonymous Functions and Lambda Expressions
Today we’ll be talking about lambda expressions that are used to return anonymous functions, so functions without a name. Here’s… Read More »Anonymous Functions and Lambda Expressions
Recursion and Recursive Functions in Python
Today we’ll be talking about recursive functions. Recursive functions are functions that call themselves. A typical example shown when recursion… Read More »Recursion and Recursive Functions in Python
The Order of Arguments
Today we’ll be talking about the order of arguments. If you haven’t read my article on argument matching modes in… Read More »The Order of Arguments
Keyword-Only Arguments
Today we’ll be talking about keyword-only arguments. If you haven’t read my article on argument matching modes in Python, it’s… Read More »Keyword-Only Arguments
numpy Part 8 – How to Copy a numpy Array
Today we’ll learn how to copy a numpy array. If you want to copy an array, you can use either… Read More »numpy Part 8 – How to Copy a numpy Array
The Counter Class from the collections Module
Today we’ll be talking about the Counter class from the collections module. The Counter class is used to create an… Read More »The Counter Class from the collections Module
Drill – Mutable and Immutable Objects as Arguments
Today I have a short drill for you. It’s about passing mutable and immutable objects as arguments to functions. If… Read More »Drill – Mutable and Immutable Objects as Arguments
State Retention Across Function Calls in Python
Today we’ll be talking about state retention across function calls. If you prefer to watch a video version, here it… Read More »State Retention Across Function Calls in Python
The nonlocal Statement in Python
Today we’ll be talking about the nonlocal statement. This article is sort of complementary to my article on the global… Read More »The nonlocal Statement in Python
numpy Part 7 – Arbitrary Data, ones and zeros Array
Today we’ll learn how to create an array filled with ones, zeros or arbitrary data. Sometimes you may want to… Read More »numpy Part 7 – Arbitrary Data, ones and zeros Array
The global Statement and Global Variables
Today we’ll be talking about the global statement and global variables in Python. This article is sort of complementary to… Read More »The global Statement and Global Variables
Save Loop Variable’s Value in Functions Nested in Loops
Today we’ll be talking about saving the current value of a loop variable in functions nested in loops. Sounds more… Read More »Save Loop Variable’s Value in Functions Nested in Loops
Kivy Part 17 – Slugrace – Some Basic Code to Start
In the previous part we created some files, both Python files and kv files. But they were left empty. Now… Read More »Kivy Part 17 – Slugrace – Some Basic Code to Start
Color Animation in Blender with Python
Today we’re going to do some very basic color animation in Python. We’ll add a material to an object and… Read More »Color Animation in Blender with Python
Defining Function In Statement in Python
Today our topic is: function in statement. Here’s the video version: Well, this is probably one of the topics you… Read More »Defining Function In Statement in Python
PyDoc HTML Reports to Read Documentation
Today we’ll be talking about the PyDoc HTML reports, which can be used to read documentation in a more visual… Read More »PyDoc HTML Reports to Read Documentation
numpy Part 6 – Slicing numpy Arrays
Today we’ll be talking about slicing numpy arrays. Slicing 1-Dimensional Arrays As far as slicing is concerned, there’s nothing special… Read More »numpy Part 6 – Slicing numpy Arrays
How to Use Docstrings in Python
Today we’ll be talking about docstrings. Here’s the video version: Docstrings are used to document functions, classes and modules. They’re… Read More »How to Use Docstrings in Python
Multiple Iterator vs Single Iterator
Today we’ll be talking about the multiple iterator and the single iterators. Here’s the video version: If you don’t feel… Read More »Multiple Iterator vs Single Iterator
Kivy Part 16 – Slugrace – The File Hierarchy
In the previous part we created our project folder and put the assets folder in it. But we didn’t create… Read More »Kivy Part 16 – Slugrace – The File Hierarchy
Dictionary View: Keys, Values, Items
Today we’ll be talking about the dictionary view. Actually, there are three of them, the keys view, the values view… Read More »Dictionary View: Keys, Values, Items
The ALL and ANY Built-in Functions
Today we’ll briefly discuss the two built-in functions: all and any. They are very handy and make our life easier,… Read More »The ALL and ANY Built-in Functions
numpy Part 5 – Indexing numpy Arrays
Today we’ll be talking about indexing numpy arrays. I’m sure you know how to index regular Python sequences like strings,… Read More »numpy Part 5 – Indexing numpy Arrays
The else Statement in WHILE and FOR Loops
Today we’ll be talking about the else statement used in loops. You definitely know the else block from conditional statements… Read More »The else Statement in WHILE and FOR Loops
Slicing Strings Using the Slice Operator in Python
Today we’ll be talking about slicing strings. This is what you do if you need to make a substring from… Read More »Slicing Strings Using the Slice Operator in Python
Kivy Part 15 – Slugrace – The Project Folder
In the previous part of this Kivy programming series you saw the assets that we’ll need for the project. They… Read More »Kivy Part 15 – Slugrace – The Project Folder
How to Use the String Index in Python
Today we’ll be talking about using the string index in Python. Here’s the video version: As you know, strings are… Read More »How to Use the String Index in Python
numpy Part 4 – The Shape of a numpy Array
Today we’ll be talking about the shape of a numpy array. The shape of an array is a tuple of… Read More »numpy Part 4 – The Shape of a numpy Array
Boolean Operators in Python and What They Return
Today we’ll be talking about Python boolean operators: and, or and not. In particular we’ll have a look at what… Read More »Boolean Operators in Python and What They Return