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import time
with open('1.txt', 'w+') as f:
	f.write('test')
	f.flush()
	f.write('test2')
	time.sleep(1000)

Runtime error #stdin #stdout #stderr 0.12s 23636KB

stdin

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Standard input is empty

stdout

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Standard output is empty

stderr

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Traceback (most recent call last):
  File "./prog.py", line 2, in <module>
PermissionError: [Errno 13] Permission denied: '1.txt'

https://ideone.com/n94Fjf

language:

Python 3 (python 3.9.5)

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