推荐学习书目
› Learn Python the Hard Way
Python Sites
› PyPI - Python Package Index
› http://diveintopython.org/toc/index.html
› Pocoo
值得关注的项目
› PyPy
› Celery
› Jinja2
› Read the Docs
› gevent
› pyenv
› virtualenv
› Stackless Python
› Beautiful Soup
› 结巴中文分词
› Green Unicorn
› Sentry
› Shovel
› Pyflakes
› pytest
Python 编程
› pep8 Checker
Styles
› PEP 8
› Google Python Style Guide
› Code Style from The Hitchhiker's Guide
whx20202
V2EX  ›  Python

才发现 Python 的小整数的地址也是一样的,跟 Java 的-128-127 什么的是一个原理吗

  •  
  •   whx20202 · Mar 20, 2017 · 2634 views
    This topic created in 3480 days ago, the information mentioned may be changed or developed.
    Python 3.5.2 (v3.5.2:4def2a2901a5, Jun 25 2016, 22:18:55) [MSC v.1900 64 bit (AM
    D64)] on win32
    Type "help", "copyright", "credits" or "license" for more information.
    >>> 1==1.0
    True
    >>> a=1
    >>> b=a
    >>> c=1
    >>> d=1.0
    >>>

    >>> id(a)
    1719534032
    >>> id(b)
    1719534032
    >>> id(c)
    1719534032
    >>> id(d)
    1679888
    4 replies  •  2017-03-20 17:27:54 +08:00
    whx20202
        2
    whx20202  
    OP
       Mar 20, 2017
    @yangtukun1412 厉害厉害 我还没有直接看 cpython 源码的好习惯

    还有你这个直接让某行地址高亮的行为,是自己在 url 后面手写参数,还是说 github 上面网页可以点出来这个效果?
    misaka19000
        3
    misaka19000  
       Mar 20, 2017   ❤️ 1
    @whx20202 shift+点击行数
    song4
        4
    song4  
       Mar 20, 2017 via iPhone
    Python 有小整数池,提升性能用的。
    About   ·   Help   ·   Advertise   ·   Blog   ·   API   ·   FAQ   ·   Privacy   ·   Solana   ·   2624 Online   Highest 6679   ·     Select Language
    创意工作者们的社区
    World is powered by solitude
    VERSION: 3.9.8.5 · 26ms · UTC 15:25 · PVG 23:25 · LAX 08:25 · JFK 11:25
    ♥ Do have faith in what you're doing.