# Given two strings, a and b, return the result of putting them together in
# the order abba, e.g. "Hi" and "Bye" returns "HiByeByeHi".

# make_abba('Hi', 'Bye') → 'HiByeByeHi'
# make_abba('Yo', 'Alice') → 'YoAliceAliceYo'
# make_abba('What', 'Up') → 'WhatUpUpWhat'

def make_abba(a, b):
  return a + b + b + a

print(make_abba('Hi', 'Bye'))
print(make_abba('Yo', 'Alice'))
print(make_abba('What', 'Up'))

# Given two strings, a and b, return the result of putting them together in
# the order abba, e.g. "Hi" and "Bye" returns "HiByeByeHi".

# make_abba('Hi', 'Bye') --> 'HiByeByeHi'
# make_abba('Yo', 'Alice') --> 'YoAliceAliceYo'
# make_abba('What', 'Up') --> 'WhatUpUpWhat'

def make_abba(a, b):
  return a + b + b + a

print(make_abba('Hi', 'Bye'))
print(make_abba('Yo', 'Alice'))
print(make_abba('What', 'Up'))

Update make_abba.py