get a grip anon

low = 0
high = 0
userinput = int(input('Enter a number: '))
while userinput != 0:
    if userinput > high:
        high = userinput
    if userinput < low:
        low = userinput
    userinput = int(input('Enter a number: '))

print('Lowest:%s Highest:%s' % (low, high))