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Modules and Imports

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Use import to load standard library modules like os, json, datetime, and re. from module import name imports specific items. Python's standard library covers most common tasks without installing anything extra.

Using Modules

import math
print(math.pi)           # 3.14159...
print(math.sqrt(25))     # 5.0

from datetime import datetime
print(datetime.now())

import os
print(os.getcwd())
os.makedirs("new_folder", exist_ok=True)

# Create your own module — save as mymodule.py
# def greet(name): return f"Hi, {name}"

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Modules and Imports

Using Modules