Python列表排序給出了錯誤的結果

Question

我想在Python中對列表進行排序。我試圖做的是：

activities = [[3,1,0,5,8,5],[4,2,6,7,9,9]] 
activities.sort(key=lambda x: x[1]) 
print(activities) 

但它不起作用。

我期待的名單進行排序是這樣的：

[1,3,0,5,8,5] 
[2,4,6,7,9,9] 

Answer 1

所以，你要交換的每個子列表的前兩個元素，和排序後來呢？

activities = [[3,1,0,5,8,5],[4,2,6,7,9,9]] 
activities = [a[1::-1] + a[2:] for a in activities] 
activities.sort(key=lambda x: x[0]) 
print(activities) 

Answer 2

您需要將2子表像這樣單獨排序：

activities = [[3,1,0,5,8,5],[4,2,6,7,9,9]] 
activities = activities[0].sort() 
activities = activities[1].sort() 
print(activities)