Do I have to download and install Python if I want to compile my code online?

[bld]

Hello,
I want to compile my code with an online compiler, such as repl.it and I was wondering, if I have to download Python to be able to use an online compiler.

Thanks in advance.

[Yoriz]

Instant IDE
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...

[snippsat]

Also look into Colab.
If i want to share some code,so can you look code and also run it.
As with Repl.it there is no install in Colab all is running in browser.