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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 attach(self, name, path, create=False):
 """Connect another SQLite database file Parameters name : string Database name within SQLite path : string Path to sqlite3 file create : boolean, optional If file does not exist, create file if True otherwise raise an Exception """

        if not os.path.exists(path) and not create:
            raise com.IbisError('File {!r} does not exist'.format(path))

        self.raw_sql(
            "ATTACH DATABASE {path!r} AS {name}".format(
                path=path,
                name=self.con.dialect.identifier_preparer.quote(name),
            )
        )