How to clear the interpreter console?

As you mentioned, you can do a system call:

For Windows:

>>> import os
>>> clear = lambda: os.system('cls')
>>> clear()

For Linux it would be:

>>> import os
>>> clear = lambda: os.system('clear')
>>> clear()

here something handy that is a little more cross-platform

import os

def cls():
    os.system('cls' if os.name=='nt' else 'clear')

# now, to clear the screen
cls()

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