Below will be a Processing.py version that will run in the Processing IDE in Python mode, and an online version that runs at trinket.io
processing.py: https://github.com/piecesofuk/Python-Coding-Challenges/tree/master/CC_001_StarField
online: https://trinket.io/python/b7d62326ec?toggleCode=true&showInstructions=true
processing.py: https://github.com/piecesofuk/Python-Coding-Challenges/tree/master/CC_003_Snake_game
online: https://trinket.io/python/55c8132df5?toggleCode=true&showInstructions=true
processing.py: https://github.com/piecesofuk/Python-Coding-Challenges/tree/master/CC_004_PurpleRain
online: https://trinket.io/python/a0395c8f49?toggleCode=true&showInstructions=true