Table of Contents

Python Modules Tutorial

1. Introduction to Modules

import math

print(math.sqrt(25))

from math import sqrt
print(sqrt(25))

import math as m
print(m.sqrt(25))

from math import sqrt, factorial
print(sqrt(25))
print(factorial(5))

import sys
print(sys.path)

sys.path.append('/path/to/directory')

# mymodule.py

def hello_world():
    return "Hello, World!"

import mymodule
print(mymodule.hello_world())

import importlib
importlib.reload(mymodule)