#!/usr/bin/env python3 # Declare n before our loop n = 0 numbers = list() strings = list() # Choose whatever input you want to quit with while n != 'q': n = input() # Try and parse our input as an int try: n = int(n) numbers.append(n) # If we hit an exception that means that n can not be parsed as an integer except ValueError: if n != 'q': strings.append(n) numbers.sort() strings.sort() print(numbers) print(strings)