Python: Combinations of a List (Get All Combinations of a List)
Learn how to get all combinations of a Python list, including with substitution, using the helpful itertools library.
Python Posts
Python: Remove Key from Dictionary (4 Different Ways)
Learn how to remove a Python dictionary key, using the pop method, the del keyword, and how to remove multiple Python dictionary keys.
Python: Flatten Lists of Lists (4 Ways)
Learn how to use Python to flatten a list of lists, including using the itertools library, list comprehension, and multi-level lists of lists.
Inline If in Python: The Ternary Operator in Python
Learn how to create inline if statements in Python, often known as the Python ternary operator, allowing you to apply conditions inline.
Python: Remove Newline Character from String
In this post, you’ll learn how to use Python to remove newline characters from strings, including how to replace all or trailing newlines.
Python: How to Get the Last Item (or Last n Items) From a List
Learn how to use Python to get the last item from a list, or the last n items from a list, as well as how Python list indexing works.
Pretty Print a JSON File in Python (6 Methods)
Learn how to use Python to pretty print a JSON object, including from a file, from an API, and how to save the pretty output to a file.
Python: Remove a Character from a String (4 Ways)
Learn how to use Python to remove a character from a string, using replace and translate. Learn to limit removals and multiple characters.
Python: Remove the First N Characters from a String
Learn how to use Python to remove the first n characters from a string, including using indexing as well as the popular re module.
Python: Count Unique Values in a List (4 Ways)
Learn how to use Python to count unique values in a list using the collections module, sets, and numpy, as well as what method is fastest.
Python Sum of Squares: 3 Different Ways
Learn how to calculate the Python sum of squares, including using a custom function, and find out what method is the most efficient!
Python List Difference: Find the Difference between 2 Python Lists
Learn how to find the Python list difference to find the differences between two lists, including how to find the symmetric list difference.