英文文档: 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. 说明: 1. 将一个整形数字转换成二进制字符串 >>> b = bin(3) >>&g…
英文文档: oct(x) Convert an integer number to an octal 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. 将整数转换为8进制的字符串 说明: 1. 函数功能将一个整数转换成8进制字符串.如果传入浮点数或者字符串均…
英文文档: oct(x) Convert an integer number to an octal 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. 说明: 1. 函数功能将一个整数转换成8进制字符串.如果传入浮点数或者字符串均会报错. >>> a…
bin() 返回一个整数 int 或者长整数 long int 的二进制表示. 代码示例: print(bin(10)) 运行结果: F:\dev\python\python.exe F:/pyCharm/practice/config_dir/zip_demo.py0b1010 Process finished with exit code 0…
1.命令介绍 最近学习并使用了一个python的内置函数dir,首先help一下: 复制代码代码如下: >>> help(dir)Help on built-in function dir in module __builtin__: dir() dir([object]) -> list of strings Return an alphabetized list of names comprising (some of) the attributes of the…
Python3内置函数 https://www.runoob.com/python3/python3-built-in-functions.html int https://www.runoob.com/python3/python3-number.html str https://www.runoob.com/python3/python3-string.html list https://www.runoob.com/python3/python3-list.html tuple https…
经常调用的时候不知道python当前版本的内置函数是哪些,可以用下面的指令查看: C:\Users\Administrator>python Python 2.7.11 (v2.7.11:6d1b6a68f775, Dec 5 2015, 20:32:19) [MSC v.1500 32 bit ( Intel)] on win32 Type "help", "copyright", "credits" or "license&q…