What Would You Like To Count By?

[nevets04]

Code:

import os
while True:
    x = 0
    y = 0
    z = 0
    os.system("clear")
    x = input("What Would You Like To Count By?: ")
    os.system("clear")
    y = input("Where Would You Like To Start?: ")
    os.system("clear")
    z = input("Where Would You Like To End?: ")
    os.system("clear")
    for i in range(y,z,x):
            print i
    raw_input("Press Enter To Continue")