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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 _format_coord(self, x, limits):
 """ Handles display-range-specific formatting for the x and y coords. Parameters x : number The number to be formatted limits : 2-item sequence The min and max of the current display limits for the axis. """

        if x is None:
            return None

        formatter = self._mplformatter
        # Trick the formatter into thinking we have an axes
        # The 7 tick locations is arbitrary but gives a reasonable detail level
        formatter.locs = np.linspace(limits[0], limits[1], 7)
        formatter._set_format(*limits)
        formatter._set_orderOfMagnitude(abs(np.diff(limits)))
        return formatter.pprint_val(x)