The jupyter notebook kernel hangs up frequently and needs to be restarted

Use pytorch Training models , Every time when it comes to training, it shows that the kernel is hung up , Need to restart

Command prompt display ：

According to the error information , Already exist libiomp5md.dll, uninitialized .

terms of settlement
1、 Add the following code to the code line

import os
os.environ["KMP_DUPLICATE_LIB_OK"]="TRUE"

2、 According to your anaconda The installation path , find torch Backup files for , Delete （ It is recommended to change the file name or cut it out first , Run your code to see if it still reports an error , If there is no problem, delete again ）
I was in ：C:\ProgramData\Anaconda3\Lib\site-packages\~orch\lib
Some may be in C:\ProgramData\Anaconda3\envs\********\Lib\site-packages\~orch\lib