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but it is still showing the same error before using this code
Traceback (most recent call last):
File "solution.py", line 31, in
fptr.write(' '.join(map(str, res)))
TypeError: 'NoneType' object is not iterable
Arrays - DS
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but it is still showing the same error before using this code Traceback (most recent call last): File "solution.py", line 31, in fptr.write(' '.join(map(str, res))) TypeError: 'NoneType' object is not iterable