list(map(float,input().split())
时间: 2023-05-20 10:02:27 浏览: 103
这是一个 Python 代码片段,它将输入的一行字符串转换为浮点数列表。具体来说,它使用 input() 函数获取一行输入,然后使用 split() 函数将其拆分为一个字符串列表,最后使用 map() 函数将每个字符串转换为浮点数。
相关问题
map(float, input().split())
This line of code takes input from the user in the form of space-separated values and converts them into floating-point numbers using the built-in function `map()`.
The `map()` function takes two arguments: the first argument is a function (in this case `float`) that will be applied to each element in the second argument, which is an iterable (in this case the user input that has been split into a list). The function returns an iterator that can be converted into a list or used in a loop.
So, if the user enters something like "3.14 2.718 1.618", the code will convert each of those values to a float and return an iterator that can be used to access those values. For example:
```
>>> values = map(float, input().split())
3.14 2.718 1.618
>>> print(list(values))
[3.14, 2.718, 1.618]
```
This could be useful for processing numerical input from the user, such as in a scientific computing or data analysis application.
a=list(map(float,input().split()))
这是一个 Python 代码行,用于读入一行输入,并将其中的每个字符串转换为浮点数,最终得到一个浮点数列表。具体来说,input() 函数用于读入一行输入,split() 方法用于将该行输入按照空格分割成多个字符串,并返回一个字符串列表,map() 函数用于对该列表中的每个字符串应用 float() 函数进行类型转换,最终得到一个浮点数列表,赋值给变量 a。