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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 set_cols_width(self, array):
 """Set the desired columns width - the elements of the array should be integers, specifying the width of each column. For example: [10, 20, 5] """


        self._check_row_size(array)
        try:
            array = map(int, array)
            if reduce(min, array) <= 0:
                raise ValueError
        except ValueError:
            sys.stderr.write("Wrong argument in column width specification\n")
            raise
        self._width = array