Answer 1

how will you get the inputed string and number out of your function?

I think you should return a and b from your functions.
then do something like this:

a = Sentence()
b=Number()
print(a*b)

see this code:
https://code.sololearn.com/caagQ4xv9GyU/?ref=app

I hope you don't want to spam someone 😁