recursion in python

import random


def guess(a,b):
    x = random.randint(a,b)
    return x


def check(x,y):
    if y ** 2 == x:
        return True
    return False


x = 100
left, right = 0, x
y = guess(left, right)
while not check(x,y):
    y = guess(left, right)
print(y)