eval(expression,globals=None,locals=None) expression:字符串形式的 Python 表达式。 globals和locals:可选参数,用于指定全局和局部命名空间。 功能 eval函数用于将字符串作为代码执行。 它会去掉字符串最外侧的引号,并按照 Python 语句的方式执行去掉引号后的字符串。 示例 使用
Pythoninput()Function ❮ Built-in Functions ExampleGet your own Python Server Ask for the user's name and print it: print('Enter your name:') x =input() print('Hello, '+ x) Try it Yourself » Definition and Usage Theinput()function allows user input. ...
The input function in Python is a powerful tool for interacting with users and collecting data from the keyboard during program execution. Whether you’re creating a simple command-line application or building a complex software system, the input() function allows you to gather user input and mak...
The function then reads a line from input, converts it to a string (stripping a trailing newline), and returns that. When EOF is read, EOFError is raised. Version: (Python 3.2.5) Syntax: input([prompt]) Parameter: Example: Python input() function inputStr = input('Enter a string:'...
1. Input( ) Function input()函数用于接收用户或程序的输入。 在python的shell中输入help(input),在交互式shell中输出为: 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 present, it is written to standard output without a trailing newline. The function then reads...
# Python 2.x 程序显示两者之间的差异 # input() 和 rawinput() 函数 # 使用 raw_input() 函数的 3 个输入, # 之后显示输入值的数据类型 s1=raw_input("Enter input to test raw_input() function: ") printtype(s1) s2=raw_input("Enter input to test raw_input() function: ") ...
f = begin(mul) # f保存的是新函数的对象,可以看成f就是new_func,只是function_name变成了mul r = f(1,22) # 执行的时候就是按照new_func的代码块执行 f2 = begin(pp) r2 = f2() # 一般不使用上面的方法,而是采用@符号来使用指定的装饰器装饰下面的函数 ...
Python内置函数(32)——input 英文文档: input([prompt]) If thepromptargument is present, it is written to standard output without a trailing newline. The function then reads a line from input, converts it to a string (stripping a trailing newline), and returns that. When EOF is read,EOF...
python中input用法例说 python中 input⽤ 法例说 python中input⽤法例说 先来了解python中input()的作⽤ 在python的shell中输⼊命令 help(input) 参见下图: 帮助有点魔幻(不太通俗),简单地说:input内置函数(built-in function),有⼀个参数是提⽰语,此函数⽤于从标准输⼊中得到的值 是⼀个字符...