Modules & Packages
8 Topics
1
Importing Modules
import, from, as statements for using external code
Common interview topic — circular imports and import styles are frequently discussed
2
Creating Modules
Writing reusable Python modules with proper structure
Code organization and software design — tested in system design discussions
3
Packages
Organizing modules into hierarchical packages with __init__.py
Project structure — tested in system design and code organization discussions
4
pip and Package Management
Installing, managing, and distributing Python packages
Essential tool — expected knowledge for any Python developer role
5
Standard Library Overview
Python's batteries-included standard library modules
Knowing key modules saves time in interviews — demonstrates practical Python knowledge
6
os Module
Operating system interactions for files, processes, and environment
Common in system programming interviews and practical Python tasks
7
sys Module
System-specific parameters and Python runtime environment
Python internals — argv, recursion limits, and module system are tested
8
datetime Module
Working with dates, times, and time deltas
Common in interviews — timezone handling and date arithmetic are practical skills