fibocheck python

#program to chack if a number is a fibonacci number or not
import math

# method that checks if a number is a perfect square or not
def isPerfectSquare(num):
    n = int(math.sqrt(num))
    if(n*n == num):
        return True
    else:
        return False

# method to check if a number is a fibonacci number or not
def isFibonacci(num):

    # calculating numbers to check if they are perfect squares or not
    temp1 = 5*num*num + 4
    temp2 = 5*num*num - 4

    if(isPerfectSquare(temp1) or isPerfectSquare(temp2)):
        return True
    else:
        return False


# main function
myList = [22, 15, 5, 8, 21, 34, 38, 75, 55, 89]
for i in myList:
    fibo = isFibonacci(i)
    if(fibo):
        print(str(i) + " is a Fibonacci number.")
    else:
        print(str(i) + " is not a Fibonacci number.")