Basic Level

Variables
Conditions
Chained Conditions
Operators
Controlflow (if/else, match case)
Loops and Iterables
Basic Data Structure
Functions
Mutable vs Immutable
Common Methods
File I/O

Intermidiate Level

OOPs - Object Oriented Programming
Data Structure
Comprehensions
Lamda Functions
Collection Module
Map and Filter
*args, **kwargs
Advance Class Behavior - Dunder Methods
PIP, Python Environment like, Conda
Module Creations
Async IO

Advanced Level

decorators
generators
context manager
metaclasses
concurrency and parallelism - threading, - multi threading
testing
build and manipulate packages
Cython

Libraries to Learn

most common libraries/modules that is used in most of the python projects.

Working with strings
- string, re
Working with numerical or methematical things
- numbers, math, cmath, random, statistics, decimal, fractions
Working with functional programming
- itertools, functools
Working with files and directories
- os, sys, pathlib, shutil, tempfile, glob, filecmp
Working with data compression and archiving
- zlib, gzip, bz2, lzma, zipfile, tarfile
Working with excel files
- openpyxl, xlrd, xlsxwriter