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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 remove(self, name):
        ''' Remove a column of data.

        Args:
            name (str) : name of the column to remove

        Returns:
            None

        .. note::
            If the column name does not exist, a warning is issued.

        '''
        try:
            del self.data[name]
        except (ValueError, KeyError):
            import warnings
            warnings.warn("Unable to find column '%s' in data source" % name)