Question: 
Write a python function to check whether the given number can be represented as difference of two squares or not.


Model's Code:
def dif_Square(n):
    return n % 4 == 0 or n % 4 == 1



Sample Correct Code:
def dif_Square(n): 
    if (n % 4 != 2): 
        return True
    return False


Asserts:
assert dif_Square(5) == True
assert dif_Square(10) == False
assert dif_Square(15) == True


Tests:
Test 1 of 3: PASS
Test 2 of 3: PASS
Test 3 of 3: FAIL: AssertionError()

Test 72 of 974: 55/72 (76.38888888888889%): failed