Getting decode error.

[shankar]

This line is computer generated.I cant modify it

      f.write('Process Output : %s\n' % (res.decode("utf-8")))

I tried your function but I got this error

Error:
Traceback (most recent call last):
  File "solution.py", line 44, in <module>
    f.write('Process Output : %s\n' % (res.decode("utf-8")))
AttributeError: 'tuple' object has no attribute 'decode'