gistfile1.py

# Define a procedure, abbaize, that takes
# two strings as its inputs, and returns
# a string that is the first input,
# followed by two repetitions of the second input,
# followed by the first input.
 
def abbaize('a','b'):
    a = 'a'+'b'
    b = 'b'+'a'
    return a+b
print abbaize('a','b')