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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 fill_jacobian_column(self, jaccol, coordinates):
 """Fill in a column of the Jacobian. Arguments: | ``jaccol`` -- The column of Jacobian to which the result must be added. | ``coordinates`` -- A numpy array with Cartesian coordinates, shape=(N,3) """

        q, g = self.icfn(coordinates[list(self.indexes)], 1)
        for i, j in enumerate(self.indexes):
            jaccol[3*j:3*j+3] += g[i]
        return jaccol