If you want to become an expert in Python, you should definitely watch this PyData talk from James Powell.
Learning Python: From Zero to Hero
☞ https://goo.gl/S3sg63
Python 3 - Programming for Beginners (2017)
☞ https://goo.gl/ysbGLD
Spark and Python for Big Data with PySpark
☞ https://goo.gl/E88g8s
Python Programming for Network Engineers: Cisco, Netmiko ++
☞ https://goo.gl/8wirUR
☞ Complete Python Tutorial for Beginners (2019)
☞ Python Tutorials for Beginners - Learn Python Online
☞ Python Programming Tutorial | Full Python Course for Beginners 2019
☞ Python Tutorial for Beginners [Full Course] 2019
☞ Learn Python in 12 Hours | Python Tutorial For Beginners
☞ Machine Learning Zero to Hero - Learn Machine Learning from scratch