Python Tutorial 6.1 - Standard Library Tour

Welcome to the “Standard Library Tour” tutorial!

Overview

Python ships with a rich set of built-in modules. This lesson highlights a few key ones to explore.

Examples

• os – Operating system interfaces

  import os
  print(os.getcwd())
  

• sys – System-specific parameters and functions

  import sys
  print(sys.version)
  

• math – Mathematical functions

  import math
  print(math.sqrt(16))
  

• datetime – Date and time manipulation

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

• json – JSON encoding/decoding

  import json
  print(json.dumps({'a':1}))
  

Key Takeaways

• The standard library saves you time—no installs required.
• Learn module names and refer to the official docs when in doubt.
• Learn more about Python's Standard Library here.

Happy exploring!