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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 left_most(boxes):
 """ Finds the left most box out of the given boxes. :param boxes: Array of Box objects :return: The left-most Box object """

        x_list = [(box.x, box) for box in boxes]
        x_list.sort()
        return x_list[0][1]