### How to get permutations between two lists of unequal length with Python?

Sometimes, we want to to get permutations between two lists of unequal length with Python.

In this article, we’ll look at how to get permutations between two lists of unequal length with Python.

### How to get permutations between two lists of unequal length with Python?

To get permutations between two lists of unequal length with Python, we can use the `itertools.product` method.

For instance, we write:

``````import itertools
from pprint import pprint

inputdata = [
['a', 'b', 'c'],
['d'],
['e', 'f'],
]
result = list(itertools.product(*inputdata))
pprint(result)
``````

We call `itertools.product` with the lists unpacked from `inputdata`.

Then we call `list` on the returned iterable to convert it to a list and assign the returned list to `result`.

Therefore, `result` is:

``````[('a', 'd', 'e'),
('a', 'd', 'f'),
('b', 'd', 'e'),
('b', 'd', 'f'),
('c', 'd', 'e'),
('c', 'd', 'f')]
``````

### Conclusion

To get permutations between two lists of unequal length with Python, we can use the `itertools.product` method.