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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 label(self, input_grid):
 """ Labels input grid using enhanced watershed algorithm. Args: input_grid (numpy.ndarray):
 Grid to be labeled. Returns: Array of labeled pixels """

        marked = self.find_local_maxima(input_grid)
        marked = np.where(marked >= 0, 1, 0)
        # splabel returns two things in a tuple: an array and an integer
        # assign the first thing (array) to markers
        markers = splabel(marked)[0]
        return markers