read the last line of a file in python

Question

I have a two requirements .

First Requirement-I want to read the last line of a file and assign the last value to a variable in python.

Answer 1

Example from https://docs.python.org/3/library/collections.html

from collections import deque

def tail(filename, n=10):
    'Return the last n lines of a file'
    with open(filename) as f:
        return deque(f, n)