How to read a file in reverse order?

Question

How to read a file in reverse order using python? I want to read a file from last line to first line.

Answer 1

Always use with when working with files as it handles everything for you:

with open('filename', 'r') as f:
    for line in reversed(f.readlines()):
        print line

Or in Python 3:

with open('filename', 'r') as f:
    for line in reversed(list(f.readlines())):
        print(line)