How to use arrays in Python To create an array in Python, we can use a type of variable called a “dictionary.” This is an associative array, meaning that it is made of value/key pairs.

The “print” command, as in BASIC, is what you will use in Python to display text on the screen. This is what we use to write “Hello World!” which is the first thing a programmer will ...

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.