Find the missing element between two arrays in Python
The challenge
Given two integer arrays where the second array is a shuffled duplicate of the first array with one element missing, find the missing …
Read Article →Python
320 articles about python development, tools, and best practices
Remove an Exclamation Mark from the End of String using Python
The challenge
Remove a exclamation mark from the end of string. You can assume that the input data is always a string, no need to verify it.
Examples …
Read Article →Compare within Margin using Python
The challenge
Create a function close_compare that accepts 3 parameters: a, b, and an optional margin. The function should return whether a is lower …
Remove the time challenge in Python
The challenge
You’re re-designing a blog and the blog’s posts have the following format for showing the date and time a post was made: …
Read Article →Check if List contains Item in Python
The challenge
Create a method that accepts a list and an item, and returns true if the item belongs to the list, otherwise false.
Test cases
list = …How to Remove Vowels with Python
The challenge
Create a function called shortcut to remove all the lowercase vowels in a given string.
Examples
shortcut("codewars") # --> …How to Sort a List in Python
In this tutorial, you will learn how to sort a list in Python, by following the below three steps:
- Options to sort a list in Python
- What is the …
How to divide a number in Python
The challenge
Your task is to create functionisDivideBy (or is_divide_by) to check if an integer number is divisible by each out of two arguments.
A …
Read Article →How many times to Kaprekar’s constant using Python
Introduction
6174 is known as Kaprekar’s constant after the Indian mathematician D. R. Kaprekar. This number is notable for the following rule: …
Read Article →How to check if a String is a Number in Python
The challenge
Given a string s, write a method (function) that will return true if its a valid single integer or floating number or false if its not. …
Read Article →How to Write a Custom Comparator in Python
Generally, you want to use the built-in sorted() function which takes a custom comparator as its parameter. We need to pay attention to the fact that …
How to Sort an Integer in Python
Let’s say that you have an integer with value of 9271 and you want to sort it either ascending(1279) or descending(9721).
How would you do this …
Read Article →