Author
anonymous
about 5 years ago
Python
CPython 3.8.0
$ python3 prog.py
[(2, 200), (3, 300), (1, 100), (4, 400)] [(1, 100), (2, 200), (3, 300), (4, 400)] [1, 2, 3, 4] [100, 200, 300, 400]