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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 import_table(self, source, table_name):
 """Copy a table from another SQLite database to this one."""

        query = "SELECT * FROM `%s`" % table_name.lower()
        df = pandas.read_sql(query, source.connection)
        df.to_sql(table_name, con=self.own_connection)