I recommend this Python Certification program by Intellipaat that covers the following concepts:
Python Environment Setup and Essentials
Python language Basic Constructs
OOP concepts in Python
Database connection
NumPy for mathematical computing
SciPy for scientific computing
Matplotlib for data visualization
Pandas for data analysis and machine learning
Exception Handling
Multi-Threading & Race Condition
Packages and Functions
Web scraping with Python
Also, watch this video on Python to get started: