Standard Library & Popular Packages

Python ships with batteries included.

import math, datetime, statistics
print(math.sqrt(9))

Install third‑party packages with pip:

pip install requests

C# uses NuGet (dotnet add package), while JavaScript uses npm (npm install).

Practice Questions

1. Which module would you import for HTTP calls?
   Answer

   `requests`.
2. What is Python’s package manager?
   Answer

   `pip`.