#!/usr/bin/python
# -*- coding: UTF-8 -*-
if __name__ == '__main__':
 a = [9,6,5,4,1]
  N = len(a)
  print a
  for i in range(len(a) / 2):
    a[i],a[N - i - 1] = a[N - i - 1],a[i]
  print a

[9, 6, 5, 4, 1]
[1, 4, 5, 6, 9]

content = []
with open("name.txt" ) as f:
  for row in f.readline():
    content.append(row)
content.reverse()

with open("name1.txt","w" ) as f:
  for row in content:
    f.write(row)
    f.write("\n")