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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def xor_bytes(b1: bytes, b2: bytes) -> bytearray: """ Apply XOR operation on two bytes arguments :param b1: First bytes argument :param b2: Second bytes argument :rtype bytearray: """

    result = bytearray()
    for i1, i2 in zip(b1, b2):
        result.append(i1 ^ i2)
    return result