Python for Kids
Blogs, articles, free Python projects and more for kids and teens learning to code with Python.
How to increment a value in a Python dictionary
Jan 31 2022
Learn three different ways to increment a value in a Python dictionary!
Read moreHow to obtain the first key in a Python dictionary
Jan 31 2022
Become a Python dictionary expert by learning how to find the first key in a given dictionary!
Read moreHow to convert a string to a float in Python
Jan 23 2022
Learn how to convert a string to a float in Python using just one function call!
Read moreFind all permutations of a given string in Python
Jan 23 2022
How do you find all permutations of characters in a given string? This is one of those examples where recursion proves to be an ideal way to approach the problem.
Read moreWhen would you need a nested lambda in Python?
Jan 19 2022
A lambda is an unnamed, anonymous function in Python. A nested lambda is a lambda within a lambda. Learn when you might need it!
Read moreHow to convert a Python list to a numpy array
Jan 17 2022
Learn the intricacies involved in converting a regular python list to a numpy array and what your options are!
Read moreHow to check if two numpy arrays are equal
Jan 17 2022
Sometimes you will want to make an element-wise comparison of two numpy arrays. There is a function for that!
Read morePython numpy.histogramdd()
Jan 14 2022
Python’s numpy.histogramdd() is a very useful function to compute histograms out of multidimensional data. Learn the different ways to use it!
Read morePython's numpy.ones() function
Jan 14 2022
Python numpy has a handy function to create an array of specified shape and type, filled with ones. Check it out!
Read moreHow to compute the Manhattan distance in Python numpy
Jan 9 2022
Want to find the distance by foot between two locations in Python? Learn how to compute the Manhattan distance!
Read moreHow to compute the Euclidean distance in Python numpy
Jan 9 2022
Want to find the shortest distance between two cities in Python? The numpy module has many options for you!
Read moreDoes Python allow multiline lambda functions?
Jan 8 2022
Lambda functions are 'use and throw' functions. Learn if you can split a lambda function across multiple lines and what the rules for writing lambda functions are!
Read morePython max() using lambda functions
Jan 8 2022
Sometimes you just want to create your own custom maximum function; Python lambdas have a solution for you!
Read moreHow to convert a Python range to a list
Jan 7 2022
In your Python journey you will encounter a need to convert a Python range into a list. Learn three ways to do so!
Read moreHow to reverse a range in Python
Jan 7 2022
Ranges are a staple of iteration in Python. Learn how to reverse a range!
Read moreHow to convert a comma-separated string into a list in Python
Jan 5 2022
Learn how to convert a comma-separated string into a list in Python, a very common operation!
Read morePython program for finding the greatest common divisor
Jan 5 2022
Learn how to distribute candy evenly by computing the greatest common divisor!
Read moreHow to check if a Python String is CamelCase
Dec 29 2022
A CamelCase string is one like Kodeclik or KodeclikOnlineAcademy, but not kodeclikonlineacademy. How can you check if a Python string is in CamelCase format?
Read moreHow to apply a function to all elements of a Python list
Dec 20 2022
Applying a function to each element of a list is such a handy and useful capability that you should learn all the ways Python makes it easy to do so!
Read moreHow to check for an empty string in Python
Dec 20 2022
In your Python journey, you will come across scenarios where you will need to check if a Python string is empty. Learn three ways to accomplish this frequent task.
Read moreHow to convert strings to bytes in Python
Dec 2 2022
Ever wondered how Python internally represents a string as bytes? There are handy functions to explore that!
Read morePython’s os.path.join() function
Nov 29 2022
The os.path.join() function in Python is a clean way to concatenate different strings to construct a complete filepath. Learn why and how to use it!
Read moreHow to import a class from another file in Python
Nov 29 2022
Python modules help logically organize code into multiple files; learn how to import a class from another file!
Read morePython os.chdir()
Nov 27 2022
Learn how to programmatically move between directories in Python!
Read morePython os.remove()
Nov 27 2022
Learn how to programmatically delete a file from within Python!
Read morePython os.listdir()
Nov 23 2022
Ever wanted to explore your directory but from within Python? Learn how!
Read moreHow (and why) to nest classes in Python
Nov 22 2022
Nested classes are those that are defined inside other classes. Learn when you will need this feature and how they are useful in object oriented programming!
Read moreHow to skip values in a Python list
Nov 22 2022
In processing lists in Python you might find a need to skip values in the list. Learn four different ways to do so!
Read moreHow to sort a list of tuples in Python
Nov 18 2022
What if you have a list of tuples and desire to sort it in your own way? Learn two popular methods to do so!
Read morePython Nested Lists
Nov 18 2022
Nested lists are useful data structures that are basically lists comprised of other lists. Learn when and how to use them in Python!
Read moreHow to unzip a list of tuples in Python
Nov 14 2022
Learn how to unzip a list of tuples in Python, from the easiest to the most Pythonic way!
Read moreList subtraction in Python
Nov 14 2022
Learn six different ways to do element-by-element subtraction of two lists in Python!
Read morePython os.mkdir()
Nov 13 2022
Ever wanted to create directories programmatically from within Python? It is so easy!
Read morePython vars()
Nov 13 2022
The vars() function in Python inspects an object and returns a dictionary identifying the changeable attributes of the object along with their current values.
Read moreThe next function in Python
Nov 12 2022
The next() function in Python retrieves the next item from an iterator (constructed over a data structure such as a list or dictionary). Learn how to use it!
Read moreHow to swap positions of values in a Python dictionary
Nov 12 2022
Looking for a Python-ic way to swap positions of values in a Python dictionary? It just takes a few lines of code!
Read moreIs Python case sensitive?
Nov 11 2022
As your journey into Python goes forward you will come to a point where you wonder if Python is case sensitive. Read on!
Read moreHow to create an inclusive range in Python
Nov 11 2022
The Python range function behaves in an off-by-one manner in how it does not include the end value. Learn how to create an inclusive range function!
Read moreHow to reverse a range in Python
Nov 8 2022
Sometimes you will need a loop in Python that counts down rather than counts up. Learn how to reverse a range in Python!
Read morePython's divmod() function
Nov 8 2022
Python’s divmod() is a very handy function that returns both the quotient and remainder of a division in a single step!
Read moreMath.tan() in Python
Nov 7 2022
Learn to compute the tangent trigonometric ratio in Python with the Math.tan() function.
Read moreMath.cos() in Python
Nov 7 2022
Learn to compute the cosine trigonometric ratio in Python with the Math.cos() function.
Read moreMath.sin() in Python
Oct 17 2022
Learn to compute the sine trigonometric ratio in Python with the Math.sin() function.
Read moreMath Domain Error in Python
Oct 17 2022
Learn to solve 'math domain errors' in Python, one of the most common but sometimes frustrating error messages!
Read morePython’s math.isclose() function
Oct 8 2022
Learn about the math.isclose() function in Python and how to use it!
Read morePython program to print all prime factors of a given number
Oct 8 2022
Learn how to factorize a number into its prime factors in Python, in two different ways!
Read moreComputing the nth row of Pascal’s Triangle
Oct 4 2022
Pascal’s triangle is a very useful construct in discrete math and can be easily computed in Python. Learn how!
Read moreWhat does [-1] mean in Python?
Oct 4 2022
Did you know you can retrieve the '-1'th element of a Python list? What? What does that mean?
Read moreHistograms in Python
Jul 3 2022
A histogram is a plot of the counts of (grouped) items in a given dataset. Learn how to compute histograms in Python!
Read moreHow to iterate through a Python dictionary
Jul 3 2022
Have a Python dictionary and would like to loop through it? Here are four ways to do so!
Read moreHow to merge multiple files into a single file in Python
May 21 2022
Given two or more files how do you merge them into a single file? Learn to write a Python program to do just that!
Read moreHow to implement a Stack in Python
May 21 2022
A stack is a last-in-first-out (LIFO) data structure. Learn the many ways to create a stack in Python.
Read moreHow to initialize a Queue in Python
May 21 2022
A queue is a first-in-first-out (FIFO) data structure. Learn the many ways to create a queue in Python.
Read moreHow to count in a Python loop
May 19 2022
Python loops are so expressive that you can do two things at once: count and iterate!
Read moreHow to remove parentheses from strings in Python
May 19 2022
Have a Python string and need to remove parentheses from it? Learn three ways to do so!
Read moreHow to iterate through multiple lists in Python
May 19 2022
Have two or more lists and need to iterate through them simultaneously? Here are the ways.
Read moreHow to check if two dictionaries are equal in Python
May 18 2022
Looking for a quick way to compare two dictionaries in Python? Learn how!
Read moreHow to take input until Enter is pressed in Python
May 18 2022
Can you write an interactive Python program to take inputs from the user till the Enter key is pressed? Learn how!
Read morePython’s range() function
May 10 2022
Python’s range() function is very handy to write loops because it returns a list of numbers within a specified span of values.
Read morePython’s sum() function
May 10 2022
Python’s sum function takes an iterable and returns the sum of elements in it. Learn how to use it!
Read moreSplitting a Text File by Lines in Python
May 9 2022
Learn about four different ways to split a text file in Python into lines. Which one is your favorite?
Read moreHow to convert a set to a tuple in Python
May 9 2022
Have a Python set and want to convert it into a tuple? Learn three ways to do so!
Read moreHow to remove trailing zeros in Python
May 4 2022
Have a Python string denoting a decimal and need to remove trailing zeros? Learn how!
Read moreHow to remove leading zeros in Python
May 4 2022
Have a Python string denoting a number and need to remove leading zeros? Learn how!
Read moreStacks in Python
Apr 3 2022
Stacks are one of the most useful data structures in Python. Learn how to use them!
Read morePython’s file naming convention
Apr 3 2022
How should you name your Python files, functions, classes, modules, and packages? Read on to learn how!
Read moreMethod Overloading in Python
Feb 20 2022
Can you have a Python program where a method has different meanings at different points in a program? Yes!
Read moreTuple Index Out of Range!
Feb 20 2022
Do you get the dreaded “Tuple Index Out of Range” error in your Python program? Learn what it means and how to fix it!
Read moreMeasuring Elapsed Time in Python
Feb 20 2022
Would you like to time your Python program to see how fast it runs? Learn about ways to measure elapsed time!
Read moreOrdered Sets in Python
Feb 20 2022
An ordered set is just like a set in that it disallows duplicates but it maintains the order of elements. Learn how to implement ordered sets in Python!
Read morePython Set pop()
Feb 18 2022
Have a Python set and want to pop an element? Here’s how to do it!
Read moreHow do you measure file size in Python?
Feb 18 2022
You will sometimes encounter the need to measure the size of files from within a Python program. Here are 5 ways to do so!
Read morePython toString()
Feb 18 2022
Learn how to print any object into a string using Python’s custom methods!
Read morePython's str() function
Feb 17 2022
It is sometimes handy to take an object and convert it into a string. Learn Python’s very useful str() function!
Read moreCan your Python string be an integer?
Feb 17 2022
Have a string and need to check if it actually denotes an integer? Here are 4 ways to do so!
Read morePrepending to a list in Python
Feb 15 2022
If you dabble in Python lists, here are useful ways to prepend elements to a list!
Read morePython’s Double Slash
Feb 15 2022
Do you know the difference between 5/2 and 5//2 in Python? When do you use which operator?
Read moreBoolean Operators in Python
Feb 13 2022
Learn how to write boolean expressions using Python’s in built boolean operators!
Read morePrivate Methods in Python
Feb 13 2022
Private methods in a Python class are a good way to encapsulate functionality. Learn when you can make use of them!
Read moreFormatting strings in Python
Feb 9 2022
Python has versatile ways to format strings, i.e., to create strings from templates. Learn how they work!
Read moreHow to send emails using Python
Feb 9 2022
Need to send hundreds of emails and looking for a convenient solution? Learn how to use a mail API and Python to programmatically send emails!
Read moreThe Python __call__ method
Feb 8 2022
Learn about Python’s special method __call__ which makes objects callable, leading to more readable code!
Read morePrint a Python List (5 ways)
Feb 8 2022
Python is one of the most multifaceted languages out there; learn about 5 different ways to print a list! Which one is your favorite?
Read morePython hasattr()
Feb 7 2022
hasattr() is a very useful function in Python that can be used to check if a given object has a specified attribute.
Read morePython's not in operator
Feb 7 2022
'not in' as the name indicates is an operator that checks if a given input is not present in a given sequence. See where we can make use of it!
Read morePython pow()
Jan 31 2022
What is the remainder when 7 to the power of 49 is divided by 5? Python’s pow() is a handy function to get you the result in one line!
Read morePython chr()
Jan 31 2022
Ever wonder how Python stores characters internally? Learn about the Python chr() function!
Read morePython’s min function
Jan 30 2022
Analogous to max(), the min() function in Python takes an iterable (e.g., a list) as input and returns the minimum value in that iterable.
Read morePython’s max function
Jan 30 2022
The max() function in Python is a versatile function that takes any type of iterable (e.g., a list) as input and returns the maximum value in that iterable.
Read moreInitializing a Python dictionary
Dec 30 2021
Learn about 8 different ways to initialize a Python dictionary. Which one is your favorite?
Read moreEmpty Dictionaries in Python
Dec 30 2021
Learn how to work with empty dictionaries in Python: creating them and testing for emptiness.
Read morePython Dictionary Length
Dec 30 2021
Dictionaries hold key-value pairs in a data structure and it is often useful to find the length of a dictionary. Learn how!
Read morePython’s Inline If
Dec 30 2021
If...else statements are important to any Python programmer; the inline if is a shorthand that leads to more readable statements.
Read morePython Memory Errors: Why they happen and how to fix them
Dec 30 2021
Memory errors can occasionally happen in your Python program. Learn four reasons why they happen and how to to fix them.
Read morePrinting to stderr in Python
Dec 30 2021
stderr, or 'standard error', is the channel where error messages from your Python program are recorded. Learn how to print to stderr from your program.
Read moreHow to capitalize the first letters of words in a string
Dec 30 2021
Haven’t you found it necessary to sometimes take a string and capitalize the first letter of each word? Here are 5 handy ways to do so.
Read morePython’s XOR Operator
Dec 30 2021
The XOR operator in Python computes the logical exclusive disjunction of two boolean variables or two binary numbers.
Read morePython’s If Not Operator
Dec 28 2021
Python’s if not operator tests if some condition is not true and can be a succinct way to describe some types of program logic.
Read moreHow to Copy a List in Python
Dec 28 2021
Learn about the many ways to copy a list in Python and which one to use in a given setting.
Read morePython startswith(): A Simple Guide
Dec 28 2021
Python startswith() is a very handy method to check if a string starts with a certain prefix.
Read morePython’s isnumeric() method
Dec 28 2021
Python strings sometimes are made up of numbers and can thus be interpreted in a numerical manner. isnumeric() is a very useful method for Python programmers.
Read moreFinding the length of a Python list
Dec 27 2021
How do you find the length of a list in Python? Learn about Python’s built-in len() method and other functions.
Read morePython's Ternary Operator
Dec 27 2021
Ternary operators in Python are nice syntactic shorthands for conditional statements that make your program more readable. Read on to understand how and when to use them.
Read moreAll about Python Empty Lists
Dec 27 2021
Checkout this handy tutorial to create empty lists in Python or check if a given list is empty.
Read moreWriting to a File in Python
Dec 27 2021
Python has very useful functions that make it easy to write to text files and even append to existing files. See how!
Read moreHow to Open a Text File in Python
Dec 14 2021
It is easy to use Python to read content from a file and process them in your program. Read on to see how!
Read moreHow to Concatenate Strings
Oct 26 2021
Concatenating strings refers to joining them one after the other. Python provides multiple ways to concatenate strings.
Read morePython Pointers: Do we need them?
Oct 25 2021
Pointers are very common in low-level languages like C and C++ and although you do not need to use them explicitly in Python, understanding how they work behind the scenes will make you appreciate many implementation details.
Read morePython reduce()
Oct 19 2021
Python’s reduce() function takes a function and uses it to perform a rolling computation over an iterable such as a list.
Read morePython map()
Oct 19 2021
Python’s map() function can be viewed as a shorthand for a for loop. It takes a function and an iterable (e.g., a list or array) and applies the same function on each element of the iterable.
Read morePython Set Operations
Oct 17 2021
Discover Python sets! Python provides a very flexible set data structure and a wide range of operations so you don’t have to implement your own.
Read moreThe Fibonacci Sequence
Sep 27 2021
Fibonacci numbers are a famous sequence of numbers that occur in many natural contexts. Learn how to generate and experiment with them using Python programs.
Read moreWhat is a loop in programming?
Sep 27 2021
A loop is a basic building block of coding and is referred to as a programming structure. Let’s take a look at the types of loops and how they are used within a program.
Read moreThe Beginner's Guide to Python Turtle
Sep 13 2021
Python’s Turtle is a popular module that provides many useful functions for drawing graphics, animations, and games. Learn how you can command the turtle to draw graphics!
Read moreWhat is Python used for?
Aug 2 2021
Learn why Python is one of the most popular programming languages out there and the myriad places where it is used.
Read moreThe Python sqrt() function
July 19 2021
Python’s sqrt() computes square roots and you can use it in interesting ways to solve mathematical problems.
Read moreThe Python print() function
July 18 2021
Python’s print() is a versatile function that provides various options to format and style the output from your programs.
Read moreRecursion in Python
July 17 2021
Recursion is a style of programming where a function calls itself one or more times repeatedly until a desired condition is met. Many classical algorithms in computer science are recursive in nature.
Read moreMagic Square Generator
July 15 2021
Magic squares add up to the same number along rows, columns, and diagonals. Here is a Python program to generate them.
Read morePygame Tutorial
July 14 2021
Learn to use the Pygame library in Python to create your first game. This tutorial is meant for beginners looking to get started with Pygame.
Read moreEverything you wanted to know about pygame
July 13 2021
Learn about the Python pygame library and its capabilities.
Read moreArrays versus Lists in Python: What is the Difference?
July 10 2021
Arrays and Lists are two very similar data structures in Python but have important differences. Read on to learn about them!
Read moreSolving the Tower of Hanoi in Python
July 9 2021
Learn about this ancient mathematical puzzle and the classical computer science solution to it, along with a Python implementation.
Read moreHow to make a password generator in Python
July 8 2021
Learn to write your own Python program that will generate a random password.
Read more5 Algorithms and their popular applications
July 6 2021
Algorithms are pervasive in computer science - read this post to learn about five of the most popular algorithms and their myriad applications.
Read moreQuicksort Primer
July 5 2021
Quicksort is a very popular in-place sorting algorithm so named because it is significantly faster than many other sorting algorithms. Learn about it including an implementation in Python.
Read moreMerge Sort Primer
July 3 2021
Merge sort is a classical divide-and-conquer algorithm. Learn the details of how merge sort works and a sample implementation in Python.
Read moreInsertion Sort Primer
July 2 2021
Insertion sort is a very simple algorithm for sorting, mimicking the way you sort cards in your hand. Get into the details of how Insertion Sort works and a sample implementation in Python.
Read moreBubble Sort Primer
June 29 2021
Bubble Sort is a very popular and simple algorithm for sorting. Learn how Bubble Sort works and how to implement it using Python.
Read moreLearn Python enumerate()
June 28 2021
Python’s enumerate() function is used to loop through strings, list, arrays and any other iterable object. Use iterators to build a search engine!
Read moreWhat are algorithms?
June 25 2021
What is an algorithm? How do they surface in our everyday lives? Learn about the history of algorithms, the types of algorithms, and some famous algorithms in computer science.
Read moreHow to make a Random Number Generator in Python
June 23 2021
Random numbers are crucial to realism in gaming, cryptography, and simulation. Learn all about random numbers, how they are used, and how to generate them in Python.
Read moreTop 6 Python libraries for kids
Dec 10 2019