===== Online Python programmieren =====

  * https://trinket.io/turtle (hier funktioniert die Turtle-Grafik per ''from turtle import *'')
    * https://trinket.io/features/python3 
    * https://trinket.io/features/pygame
  * https://www.online-python.com/
  * https://pythonsandbox.com/turtle
  * https://pythonsandbox.com/
  * https://www.w3schools.com/python/trypython.asp?filename=demo_default