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Python 101: Interactively learn how to program with Python 3

How to Create a Python Module

Explore how to create a simple Python module with basic arithmetic functions. Understand how to import and use these modules, and modify scripts to run from the command line for practical coding experience.

We'll cover the following...

We will begin by creating a super simple module. This module will provide us with basic arithmetic and no error handling. Here’s our first example:

Python
def add(x, y):    
    return x + y
def division(x, y):
    return x / y
def multiply(x, y):
    return x * y
def subtract(x, y):
    return x - y

This code has issues, of course. If you pass in two Integers to the division method, then you’ll end up ...