The modules described in this chapter provide a variety of specialized datatypes such as dates and times, fixed-type arrays, heap queues, synchronizedqueues, and sets.
Python also provides some built-in data types, in particular,dict,list,set andfrozenset, andtuple. Thestr class is used to holdUnicode strings, and thebytes class is used to hold binary data.
The following modules are documented in this chapter:
7.2.codecs — Codec registry and base classes
8.1.datetime — Basic date and time types
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