data.append(line).append("\r\n");
时间: 2023-10-31 22:06:35 浏览: 8
这段代码是将字符串 line 添加到列表 data 中,并在末尾添加一个换行符 "\r\n"。但是这段代码是错误的,因为 `append()` 方法返回 `None`,所以不能使用连续调用 `append()` 方法的形式。正确的写法应该是:
```
data.append(line)
data.append("\r\n")
```
或者使用链式调用的形式:
```
data += [line, "\r\n"]
```
相关问题
data.append(line.replace("\n", " "))
As an AI language model, I do not have access to the context in which this line of code is being used. However, based on the syntax of the line, it seems to be appending a modified version of a string (stored in the variable `line`) to a list called `data`.
The `replace()` method is used to remove any newline characters (`\n`) from the end of the string, replacing them with a space character. This modified string is then added to the `data` list using the `append()` method.
Overall, it appears that this code is part of a program that is reading data from a file and storing it in a list, with each line of the file being stored as a separate element in the list.
data.append(line.strip().split())代码什么意思
这行代码的作用是将字符串 `line` 去除首尾空白字符后,按照空格分割为一个字符串列表,并将该列表添加到名为 `data` 的列表中。
具体来说,`strip()` 方法可以去除字符串首尾的空格、制表符、换行符等空白字符,`split()` 方法默认按照空格分割字符串,并返回包含分割后各个子字符串的列表。因此,`line.strip().split()` 的返回结果是一个字符串列表,表示原始字符串经过去除首尾空白字符及按照空格分割后得到的结果。这个列表会被添加到 `data` 列表中,以便后续处理。