Python Valueerror:io operation on closed file

Source: Internet
Author: User

ValueError IO operation on closed file means that the data that has been closed is processed, and the context of the WITH statement in Python helps, that is, when Python's processing code is not aligned. Examples are as follows:

The header line, highlighted, is that the file was closed on the previous line. You will get an error Valueerror:io operation on closed file.

The solution is to move the header back.

Operation Result:

Problem solved successfully!

Python Valueerror:io operation on closed file

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