How do i resolve this?

Question

I tried writing a simple code of permutations.
But there is error of installing a module
How do I resolve this?
https://code.sololearn.com/cuRZ8ZHxR0qY/?ref=app
Solved!

Answer 1

The module is called "itertools" you had an extra "o" in "tools"
and It's installed by default

Answer 2

sorry, my bad
thank you Jay Matthews ,Ahmed Yasser