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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_primary_key(self, table, column):
 """Create a Primary Key constraint on a specific column when the table is already created."""

        self.execute('ALTER TABLE {0} ADD PRIMARY KEY ({1})'.format(wrap(table), column))
        self._printer('\tAdded primary key to {0} on column {1}'.format(wrap(table), column))