Visual Guides

What programming and Python are, IDEs, Colab/Jupyter notebooks vs .py files, and running your first program.

Variables, core data types, comments, and good naming practices.

Arithmetic and relational operators, plus logical operators: and, or, and not.

if, elif, else, while loops, and for-in-range loops.

Indexing, slicing, and operations on lists and tuples, plus set operations like union and intersection.

Defining functions, parameters, return values, default arguments, and variable scope.

Key-value pairs, common dictionary operations, and matrices as lists of lists.

Importing libraries, standard library vs. third-party packages, and handling errors with try/except.