no need for closing(open()) for with

gistfile1.txt

>>> f = open('c:\\users\\ohnob\\appdata\\local\\temp\\f.txt', 'w')
>>> with f as fi:
...     fi.write('hi')
...
2
>>> f.write('there')
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ValueError: I/O operation on closed file.