I highly recommend this as an introductory course!

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The best introductory programming course that has already been taken and enjoyed by over 20,000 people. 
This introductory programming course was planned and prepared by Inflearn from the perspective of a non-major, and helps people who have never touched programming before to develop programming skills that can be used in real life.

inflearn

Getting Started with Programming: Introduction to Python (Inflearn Original)

입문

초급

중급이상

파이썬

Python

Let's get started with Python

Lecture materials

Python Complete Basics

Python Basic Data Types

Python Flow Control

Python functions and input

Python classes and modules, packages

Python exception handling

Python Basic Functions

Writing a Python File

Real-world projects