>>> from palindromes import gen_palindromes

--ex-ini

>>> l = ['ab', 'a', 'ba']

>>> lcorr = ['aba', 'abba', 'baab']

--ex-fi

>>> lsol = gen_palindromes(l)
>>> eq = True
>>> for w in lsol:
...     eq = eq and (w in lcorr) 
>>> if not (len(lsol) == len(lcorr) and eq):
...     print(lsol)
...     print(lcorr)
... else:
...     True
True

>>> l = ['ab', 'bala', 'ba', 'lab', 'ol', 'al', 'lal']
>>> lsol = gen_palindromes(l)
>>> lcorr = ['abba', 'baab', 'balalab', 'balab', 'labal', 'lalal']
>>> eq = True
>>> for w in lsol:
...     eq = eq and (w in lcorr) 
>>> if not (len(lsol) == len(lcorr) and eq):
...     print(lsol)
...     print(lcorr)
... else:
...     True
True

>>> l = ['aba']
>>> gen_palindromes(l)
[]