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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 has_table(table_name, con, schema=None):
 """ Check if DataBase has named table. Parameters table_name: string Name of SQL table. con: SQLAlchemy connectable(engine/connection) or sqlite3 DBAPI2 connection Using SQLAlchemy makes it possible to use any DB supported by that library. If a DBAPI2 object, only sqlite3 is supported. schema : string, default None Name of SQL schema in database to write to (if database flavor supports this). If None, use default schema (default). Returns ------- boolean """

    pandas_sql = pandasSQL_builder(con, schema=schema)
    return pandas_sql.has_table(table_name)