How to learn Python without installation

 These are free interactive websites:

• futurecoder — includes integrated debuggers, enhanced tracebacks, hints for exercises and more

• How to Think Like a Computer Scientist: Interactive Edition — inspired by Think Python

• scrimba: Learn Python — tutorials and interactive coding challenges

• Learn Python with Reeborg — students are given tasks that Reeborg has to complete, and they must write programs instructing Reeborg how to do so.

You can also use this for more diverse type of coding in languages other than Python.

• https://colab.research.google.com/ —You can use google colab, and when you get your own laptop , just download the script.