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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 has_column(self, table, column):
 """ Determine if the given table has a given column. :param table: The table :type table: str :type column: str :rtype: bool """

        column = column.lower()

        return column in list(map(lambda x: x.lower(), self.get_column_listing(table)))