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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 from_coords(cls, x, y):
 """ Creates an ECPoint object from the X and Y integer coordinates of the point :param x: The X coordinate, as an integer :param y: The Y coordinate, as an integer :return: An ECPoint object """


        x_bytes = int(math.ceil(math.log(x, 2) / 8.0))
        y_bytes = int(math.ceil(math.log(y, 2) / 8.0))

        num_bytes = max(x_bytes, y_bytes)

        byte_string = b'\x04'
        byte_string += int_to_bytes(x, width=num_bytes)
        byte_string += int_to_bytes(y, width=num_bytes)

        return cls(byte_string)