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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 _check_panel(self, length):
 """ Check that given fixed panel length evenly divides index. Parameters length : int Fixed length with which to subdivide index """

        n = len(self.index)
        if divmod(n, length)[1] != 0:
            raise ValueError("Panel length '%g' must evenly divide length of series '%g'"
                             % (length, n))
        if n == length:
            raise ValueError("Panel length '%g' cannot be length of series '%g'"
                             % (length, n))