1- !!python/list [1, 2, 3, 4]
2- !!python/tuple [1, 2, 3, 4]
3- !!python/dict {1: 2, 3: 4}
4- !!python/dict
5    !!python/tuple [0,0]: 0
6    !!python/tuple [0,1]: 1
7    !!python/tuple [1,0]: 1
8    !!python/tuple [1,1]: 0
9