好办,打开你的编辑器,输入下面命令: help('for') help()使用实例 三、查看包的帮助信息 通过执行help('tkinter')查看tkinter包的帮助信息: 四、查看某个包/模块下的某个类下的某个函数的帮助信息 代码如下: >>> help('tkinter.xview.xview') help on function xview in tkinter.xview: tkinter.xview....
# <function fun2 at 0x000002687EA96F70> 1. 2. 3. 4. 5. 6. 7. 8. 9. 二.文档字符串——help() help()是Python中内置函数,通过help()函数可以查询Python中函数的用法 在定义函数时,可以在函数内部编写文档字符串,文档字符串就是对函数的说明 三.函数的作用域 定义:作用域指的是变量生效的区域 ...
Help onclassstrinmodulebuiltins:classstr(object)|str(object='')->str|str(bytes_or_buffer[, encoding[, errors]])->str||Create anewstring object from the given object. If encodingor|errors is specified,thenthe object must expose a data buffer|that will be decodedusingthe given encodingander...
help([object]) Invoke the built-in help system. (This function is intended for interactive use.) If no argument is given, the interactive help system starts on the interpreter console. If the argument is a string, then the string is looked up as the name of a module, function, class,...
在本文中,我将介绍一些简单的方法,可以将Python for循环的速度提高1.3到900倍。 Python内建的一个常用功能是timeit模块。下面几节中我们将使用它来度量循环的当前性能和改进后的性能。 对于每种方法,我们通过运行测试来建立基线,该测试包括在10次测试运行中运行被测函数100K次(循环),然后计算每个循环的平均时间(以纳...
help() function The help() function is used to execute the built-in help system. Version: (Python 3.2.5) Syntax: help([object]) Parameter: If no argument is given, the interactive help system starts on the interpreter console. If the argument is a string, then the string is looked up...
Python内置函数(29)——help 英文文档: help([object]) Invoke the built-in help system. (This function is intended for interactive use.) If no argument is given, the interactive help system starts on the interpreter console. If the argument is a string, then the string is looked up as the...
5 如果我想获取input函数的功能，输入input就可以了Help on built-in function input in module builtins:input(prompt=None, /) Read a string from standard input. The trailing newline is stripped. The prompt string, if given, is printed to standard output without a trailing newline before ...
The syntax of help() function is </> Copy help([object]) where Example In this example, we take an integer value in variablea. We try to get help for this variableausing help() function. Python Program </> Copy a = 2 help(a) ...
The recommended folder structure for a Python functions project looks like the following example: Windows Command Prompt Copy <project_root>/ | - .venv/ | - .vscode/ | - function_app.py | - additional_functions.py | - tests/ | | - test_my_function.py | - .funcignore | - host.js...