I started using Ubuntu few days ago primarly for competitive programming. All looked good but once when I was writing some programm in Python where was an error, when I ran it, output window(terminal)closed immediately and I can't saw the output. Can you help me solve this problem somehow? I will be glad for your advice.
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Not without you showing us the code you made. General idea: use try/catch to print errors. – Rinzwind Dec 18 '20 at 12:44
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Use journalctl -b-0 and the most recent boot information and error messages are displayed.
Then press the End key and the most recent messages are displayed. If you terminal closed abnormally I would expect an error message to appear.
You can use Page Up if the error occurred sometime ago.
Note this is for the current boot only. You need to have multi-boot logging enabled to see previous boots. If you don't have it enabled you can view the file /var/log/syslog for pretty much the same information and error messages.
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