If you're opening a file using the 'with' statement, do you still need to close the file object?

Question

For opening files, I\'m used to the apparently older syntax:

f = open(\"sub_ranks.txt\",\"r+\")
for line in f:
    ...
f.close()

I\'ve been tol

Answer 1

No.

Say you want to print the hostname like so:

with open("/etc/hostname","r") as f: print f.read() 

It will open the file, do its job then close the file.