<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def remove_data_point(self, x, y):
 """Removes the given data point from the series. :param x: The numerical x value of the data point to be removed. :param y: The numerical y value of the data point to be removed. :raises ValueError: if you try to remove the last data point from\ a series."""


        if len(self._data) == 1:
            raise ValueError("You cannot remove a Series' last data point")
        self._data.remove((x, y))