pickle.loads(bytes_object, *, fix_imports=True, encoding="ASCII", errors="strict") Read a pickled object hierarchy from a

dbm.whichdb(filename) This function attempts to guess which of the several simple database modules available — dbm.gnu

dump(obj) Write a pickled representation of obj to the open file object given in the constructor.

sqlite3.register_converter(typename, callable) Registers a callable to convert a bytestring from the database into a custom

object.__reduce__() The interface is currently defined as follows. The __reduce__() method takes no argument and

connection This read-only attribute provides the SQLite database Connection used by the Cursor object

marshal.version Indicates the format that the module uses. Version 0 is the historical format, version 1 shares interned strings

set_progress_handler(handler, n) This routine registers a callback. The callback is invoked for every n instructions

enable_load_extension(enabled) This routine allows/disallows the SQLite engine to load SQLite extensions from shared libraries