modules_math_operations.py

# ==========================================
# Python Learning Lab: 06 Modules (Helper)
# ==========================================
# This file serves as a custom module that will be imported in main.py.

def add(x, y):
    return x + y

def subtract(x, y):
    return x - y

def multiply(x, y):
    return x * y

def divide(x, y):
    if y == 0:
        raise ValueError("Cannot divide by zero.")
    return x / y