Python: Check if a Key (or Value) Exists in a Dictionary (5 Easy Ways)
Learn how to use Python to check if a key (or a value) exists in a dictionary in a safe way, using the get method, in operator, and more!
Python: Get a File’s Extension (Windows, Mac, and Linux)
Learn how to use Python to get a file extension, in Windows, Mac, and Linux. Learn how to do this with pathlib and os.path.
Python: Get Dictionary Key with the Max Value (4 Ways)
Learn how to use Python to get the dictionary key with the max value, including when the max value is in multiple keys.
Python While Loop with Multiple Conditions
Learn how to use Python while loops with multiple conditions, including and/or conditions, grouping conditions, and using the not operator.
Python: Remove Punctuation from a String (3 Different Ways!)
Learn to use Python to remove punctuation from a string, including using translate, regular expressions, and more – and which way is fastest!
Python: Find an Index (or all) of a Substring in a String
Learn how to find the index of the first or last substring of a string using Python. Also learn how to find all indices of a substring.
Python: Print an Object’s Attributes
Learn how to print all of a Python object’s attributes using the dir() and vars() functions, and how to print pretty using the pprint module.
Python: Split a List into n Chunks (4 Ways)
Learn how to split a Python list into n chunks, including how to split a list into different sized sublists or a different number of sublists.
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: 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.