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.
Blog
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 (In Half, in Chunks)
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.
Pandas Rename Index: How to Rename a Pandas Dataframe Index
Learn how to rename a Pandas index, including a single index or multi-index, as well as how to drop an index name altogether.
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.
Pandas: Count Unique Values in a GroupBy Object
Learn how to use Pandas to count unique values in a GroupBy object, allowing you to count distinct values using the popular groupby method.
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.
Pandas: Add Days to a Date Column
Learn how to use Pandas to add days to a date column, both constant values and based off another column, using the Pandas timedelta function.