Write a python function to check whether the given number can be represented as difference of two squares or not.
def dif_Square(n): 
    if (n % 4 != 2): 
        return True
    return False
<s>[INST]<<SYS>>Given a task and its code, generate test cases for the code.<</SYS>>Write a python function to check whether the given number can be represented as difference of two squares or not.
def dif_Square(n): 
    if (n % 4 != 2): 
        return True
    return False[/INST]assert dif_Square(5) == True
assert dif_Square(10) == False
assert dif_Square(15) == True</s>