code: def db_from_dataframes(
          db_filename,
          dataframes,
          primary_keys={},
          indices={},
          subdir=None,
          overwrite=False,
          version=1):
      
      if not (subdir is None or isinstance(subdir, str)):
          raise TypeError("Expected subdir to be None or str, got %s : %s" % (
              subdir, type(subdir)))
      db_path = build_path(db_filename, subdir)
      return db_from_dataframes_with_absolute_path(
          db_path,
          table_names_to_dataframes=dataframes,
          table_names_to_primary_keys=primary_keys,
          table_names_to_indices=indices,
          overwrite=overwrite,
          version=version)
docs: Create a sqlite3 database from a collection of DataFrame objects
  
      Parameters
      ----------
      db_filename : str
          Name of database file to create
  
      dataframes : dict
          Dictionary from table names to DataFrame objects
  
      primary_keys : dict, optional
          Name of primary key column for each table
  
      indices : dict, optional
          Dictionary from table names to list of column name tuples
  
      subdir : str, optional
  
      overwrite : bool, optional
          If the database already exists, overwrite it?
  
      version : int, optional