8. Data Types - Python 2.7.18 documentation 编辑
The modules described in this chapter provide a variety of specialized data types such as dates and times, fixed-type arrays, heap queues, synchronized queues, and sets.
Python also provides some built-in data types, in particular, dict, list, set (which along with frozenset, replaces the deprecated sets module), and tuple. The str class can be used to handle binary data and 8-bit text, and the unicode class to handle Unicode text.
The following modules are documented in this chapter:
- 8.1.
datetime— Basic date and time types - 8.2.
calendar— General calendar-related functions - 8.3.
collections— High-performance container datatypes - 8.4.
heapq— Heap queue algorithm - 8.5.
bisect— Array bisection algorithm - 8.6.
array— Efficient arrays of numeric values - 8.7.
sets— Unordered collections of unique elements - 8.8.
sched— Event scheduler - 8.9.
mutex— Mutual exclusion support - 8.10.
Queue— A synchronized queue class - 8.11.
weakref— Weak references - 8.12.
UserDict— Class wrapper for dictionary objects - 8.13.
UserList— Class wrapper for list objects - 8.14.
UserString— Class wrapper for string objects - 8.15.
types— Names for built-in types - 8.16.
new— Creation of runtime internal objects - 8.17.
copy— Shallow and deep copy operations - 8.18.
pprint— Data pretty printer - 8.19.
repr— Alternaterepr()implementation
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