[已解决]help怎么看文件的write方法

端木

help（write）没有用
在IDLE里面write方法的帮助文档怎么看？？？

最佳答案

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冬雪雪冬

2017-8-27 17:04:23

1. >>> f = open('test.txt') #打开一个文件
   
2. 
   
3. >>> help(f.write) #这就可以了
   
4. Help on built-in function write:
   
5. 
   
6. write(text, /) method of _io.TextIOWrapper instance
   
7.     Write string to stream.
   
8.     Returns the number of characters written (which is always equal to
   
9.     the length of the string).

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冬雪雪冬

1. >>> f = open('test.txt') #打开一个文件
   
2. 
   
3. >>> help(f.write) #这就可以了
   
4. Help on built-in function write:
   
5. 
   
6. write(text, /) method of _io.TextIOWrapper instance
   
7.     Write string to stream.
   
8.     Returns the number of characters written (which is always equal to
   
9.     the length of the string).

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