In this case, read returns bytes, but you can't use readline .

在这种情况下，read会返回字节，但readline则不能用。

youdao

You first step through the file line by line using the readline method.

首先，用readline方法在文件行中移动。

youdao

In this case, you should use the readline method, as shown in Listing 5.

在这种情况下，应当使用readline方法，如清单5所示。

youdao