-
:mod:`shelve` --- Python object persistence
===========================================
accessed entries are written back (there is no way to determine which accessed
entries are mutable, nor which ones were actually mutated).
-Shelve objects support all methods supported by dictionaries. This eases the
+Shelf objects support all methods supported by dictionaries. This eases the
transition from dictionary based scripts to those requiring persistent storage.
One additional method is supported: