Original link: https://chegva.com/5477.html ◎Knowledge points write file close file file pointer ◎Script practice ▽ Write file “”” Before writing to a file, the file must be opened. You can call the built-in function open() and open a file for write-only, append, or read-write. Thus, the returned file object has two methods for writing the file:

Original link: https://chegva.com/5476.html ◎Knowledge points open a file read file ◎Script practice ▽ Open file “”” Storing data in a file is one way of storing data. How to write data to a file and read the data written to the file? Before a file can be read or written, the file must be opened.