Learning Environment
- Basic Practice: http://codingbat.com/python
- More Mathematical (and Harder) Practice: https://projecteuler.net/archives
- List of Practice Problems: http://www.codeabbey.com/index/task_list
- A SubReddit Devoted to Daily Practice Problems: https://www.reddit.com/r/dailyprogrammer
- A very tricky website with very few hints and touch problems (Not for beginners but still interesting) http://www.pythonchallenge.com/