Fizz Buzz - loops over the user suggested integer the fizz buzz answers

Fizz Buzz 1

import sys

#list of strings
# assume that a person will only put 1 additional argument
# ignore the rest
# python Desktop/example_2.py 300

if len(sys.argv) > 1: 
# user supplied value
    user_input = sys.argv[1]
else:
    user_input = raw_input("How far do you want to go? (1=?): ")



while True:
    try:
        user_input = int(user_input)
        break
    except:
        print "That's not a number!"
        user_input = raw_input("How far do you want to go? (1-?): ")



user_range = range(1,user_input+1)

for num in user_range: 

    if num % 3 == 0 and num % 5 == 0:
        print "Fizz Buzz"
    elif num % 3 == 0:
        print "Fizz"
    elif num % 5 == 0:
        print "Buzz"
    else:
        print num


"""num = 1
while num < 101:
    num = num + 1 
    if num % 3 == 0 and num % 5 == 0:
        print "Fizz Buzz"
    elif num % 3 == 0:
        print "Fizz"
    elif num % 5 == 0:
        print "Buzz"
    else:
        print num

    num = num + 1 """