This post explains how to use if statements in Python. This will form the backbone of much of your code going forward! Else statements, nesting, + more.

How NumPy speeds array math in Python. A big part of NumPy’s speed comes from using machine-native datatypes, instead of Python’s object types.

Python Notes: Lists vs. Arrays You can file this post under “if Rhett doesn’t write it down, he will forget”. I guess you are thinking that I am a python expert.

Arrays in Python give you a huge amount of flexibility for storing, organizing, and accessing data. This is crucial, not least because of Python’s popularity for use in data science.