reverse_wizard.py

#!/usr/bin/env python
# coding :utf-8
# reverse of 'wizard' is 'wizard'

reverse_wizard = ''
for c in 'wizard'[::-1]:
    reverse_wizard += chr((ord('z') - ord(c)) + ord('a'))

print reverse_wizard

# one liner
# print [chr((ord('z') - ord(c)) + ord('a')) for c in 'wizard'[::-1]]