python3列表list知识点
**python3列表list知识点connections_sorted=[(0, 0, 10000), (2, 1, 10000), (4, 2, 10000), (6, 3, 10000)]print(connections_sorted[1])print(connections_sorted[1][0])print(connections_sorted[1][1])print(connections_sorted[1][2])print(connections_sorted[-1])
