Python 3, need help looping something

Question

I'm trying to learn Python 3 and I'm wondering how I would loop something...

print("how many cats do you have?")
numCats = input()
try:
    if int(numCats) >= 4:
        print('That is a lot of cats.')
    elif int(numCats) in range(1, 3):
        print('That is not that many cats.')
    elif int(numCats) == 0:
        print("Oh, you have no cats.")
except ValueError:
    print('You did not enter a number.')

I want to make it so that when it says, "You did not enter a number." it loops back to "How many cats do you have?"

have you looked up 'python loops'? – AsheKetchum Mar 27 '17 at 13:52 — AsheKetchum, Mar 27 '17 at 13:52
Why don't you want to print anything if there are 3 cats? – PM 2Ring Mar 27 '17 at 14:00 — PM 2Ring, Mar 27 '17 at 14:00

score 1 · Answer 1 · answered Mar 27 '17 at 13:52

while True:
    print("how many cats do you have?")
    numCats = input()
    try:
        if int(numCats) >= 4:
            print('That is a lot of cats.')
        elif int(numCats) in range(1, 3):
            print('That is not that many cats.')
        elif int(numCats) == 0:
            print("Oh, you have no cats.")
        break
    except ValueError:
        print('You did not enter a number.\n')

This keeps looping forever (Because of the while True) and proceeds only when a valid number is entered, we escape the loop using break

Python 3, need help looping something

1 Answers1