Use ==.
Sometimes, on some python implementations, by coincidence, integers from -5 to 256 will work with is (in CPython implementations for instance). But don’t rely on this or use it in real programs.
Use ==.
Sometimes, on some python implementations, by coincidence, integers from -5 to 256 will work with is (in CPython implementations for instance). But don’t rely on this or use it in real programs.