code: def write_table(df, tablename, conn):
      
      with catch_warnings():
          filterwarnings('ignore',
                         message='The provided table name \'%s\' is not found exactly as such in the database' % tablename)
          to_sql(df, name=tablename, con=conn,
                 index=not any(name is None for name in df.index.names))
docs: Write a dataframe to the database.