fizzbuzz.py

import sys

if len(sys.argv) == 2:
    try:
        n = int(sys.argv[1])
        print("Fizz buzz counting up to {}".format(n))
        while count <= n:
            if count % 15 == 0:
                print('Fizzbuzz')
            elif count % 3 == 0:
                print('Fizz')
            elif count % 5 == 0:
                print('Buzz')
            else:
                print(count)
        count += 1
    except ValueError:
        print('You must enter a valid integer')
else:
    try:
        n = int(input("Enter a number to count to: "))
        n
        print("Fizz buzz counting up to {}".format(n))
        while count <= n:
            if count % 15 == 0:
                print('Fizzbuzz')
            elif count % 3 == 0:
                print('Fizz')
            elif count % 5 == 0:
                print('Buzz')
            else:
                print(count)
            count += 1
    except ValueError:
        print('You must enter a valid integer')