In fact, `itertools.permutations ()` does not return the *list* of all permutations, but rather an *iterator*. # It can be looped on in a similar way, and can be converted to a list easily: ...

# This small notebook implements, in [Python 3](https://docs.python.org/3/), several algorithms aiming at a simple task: # given a certain list, generate *all* the ...