The Google Data Analytics Certification program briefly discusses Python. The focus of the course leans more toward R programming, but they do offer some references for those who wish to pursue the language.

R versus Python, a comprehensive guide for data professionals

Jupyter Notebook: An Introduction

Learn Python. Your First Computer Programming Class.

There were many references to Kaggle in the course which offers material for both Python and R. However, in my opinion, the Kaggle community seems more Python oriented.