1.. _persistence: 2 3**************** 4Data Persistence 5**************** 6 7The modules described in this chapter support storing Python data in a 8persistent form on disk. The :mod:`pickle` and :mod:`marshal` modules can turn 9many Python data types into a stream of bytes and then recreate the objects from 10the bytes. The various DBM-related modules support a family of hash-based file 11formats that store a mapping of strings to other strings. 12 13The list of modules described in this chapter is: 14 15 16.. toctree:: 17 18 pickle.rst 19 copyreg.rst 20 shelve.rst 21 marshal.rst 22 dbm.rst 23 sqlite3.rst 24