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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_column_sizes(self, values):
 """Sets the size value for each column Args: values (iterable of int or str):
 values are treated as percentage. """

        self.style['grid-template-columns'] = ' '.join(map(lambda value: (str(value) if str(value).endswith('%') else str(value) + '%') , values))