Instagram, Youtube, Spotify and Dropbox are some of the well-known companies that use Python to build their applications and websites.
According to realpython, the Python community is one of the most supportive and friendly developer communities around and because of this new python programmers are unlikely to ever face any lack of resources.
Here are some of the best resources available for anyone that wants to learn Python.
Automate things with Python
Python books, interactive courses, tools and videos
A six hour online video course for new Python developers
A youtube channel with a wealth of Python information; including Django and Flask which are Python frameworks
A free book on programming with the Python language. It serves as a guide to Python for a beginner audience.
An incredible website with free online books teaching python for beginners and computer game development
An interactive edition of the highly rated Python book by Allen B Downey