How can I make the user keep typing in number?

Question

I want to make it so when the user type in a string, it will keep asking them to type in a number or an integer.

https://code.sololearn.com/cu0R3eonkX6E/?ref=app

Answer 1

My favourite pattern looks about like this:

while True:
inp = input()
if inp.isdigit():
break

Answer 2

https://code.sololearn.com/caib2ngcNs9x/?ref=app
But it doesn't work here at SL because the user input can be entered only once.

Answer 3

It is not possible on SL sorry

Answer 4

https://www.sololearn.com/discuss/1175214/?ref=app