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2022年05月

• 05.07 09:39:45
  发表了文章 2022-05-07 09:39:45

  内置函数 -- filter 和 map

  Construct an iterator from those elements of iterable for which function returns true. iterable may be either a sequence, a container which supports iteration, or an iterator. If function is None, the identity function is assumed, that is, all elements of iterable that are false are removed.
• 05.07 09:21:52
  发表了文章 2022-05-07 09:21:52

  python内置函数-compile()

  这个函数有什么用呢? 一个最简单的例子, 就是我们的代码, 会被解释器读取,解释器读取后的其实是字符串, 然后通过compile编译后, 又转换成python可识别的代码.这样python就能执行了.
• 05.06 20:39:50
  发表了文章 2022-05-06 20:39:50

  内置函数值 -- chr() ord() -- 字符和ascii的转换

  chr(i) 　　Return the string representing a character whose Unicode code point is the integer i. For example, chr(97) returns the string 'a', while chr(8364) returns the string '€'. This is the inverse of ord(). 　　The valid range for the argument is from 0 through 1,114,111 (0x10FFFF in base 16). Valu
• 05.06 20:14:50
  发表了文章 2022-05-06 20:14:50

  内置函数--bin() oct() int() hex()

  bin(x) Convert an integer number to a binary string. The result is a valid Python expression. If x is not a Python int object, it has to define an __index__() method that returns an integer.
• 05.06 20:08:00
  发表了文章 2022-05-06 20:08:00

  python2.x和python3.x的区别

  python2.x和python3.x中raw_input( )和input( )区别
• 05.06 20:04:15
  发表了文章 2022-05-06 20:04:15

  python开发【第一篇】

  python解释器在加载.py文件的时候，会对内容进行编码（默认是ascii编码）。