Actually, neither. The two are pretty much equally matched. With the release of anacondas, boas, and pythons in the Florida everglades, it is now not uncommon to find alligators that have choked trying to consume a constructor, or a constructor locked in the jaws of a dead gator.
Crocodile would win
The crocodile would win in water. On land, a 16 ft or bigger crocodile would be safe from a lion.
crocodile
nile crocodile who would win
crocodile would win
Possibly the crocodile.
the python
Likely the python.
Crocodile.
Crocodile, easily.
crocodile wins
Probably the crocodile.