1
我有第二個元素進行排序,像這樣的元組的列表:元組和λ的Python3排序名單和排序
[('7', 10), ('2', 9), ('8', 9)]
我想通過自己的第一個元素,像這樣對它們進行排序:
[('2',9),('7', 10),('8', 9)]
我曾嘗試:
test_val = [('7', 10), ('2', 9), ('8', 9)]
test_val.sort(key=lambda x: x[0])
這是我從here
0123發現但是,該列表未排序。
實際數據例如:
嘗試之前:
[('7', 10), ('2', 9), ('8', 9), ('6', 8), ('24', 8), ('3', 7), ('5', 7), ('9', 6), ('35', 6), ('15', 5), ('16', 5), ('1', 4), ('14', 4), ('17', 3), ('19', 3), ('12', 2), ('39', 2), ('26', 1), ('25', 1), ('22', 0)]
嘗試後:
[('1', 4), ('12', 2), ('14', 4), ('15', 5), ('16', 5), ('17', 3), ('19', 3), ('2', 9), ('22', 0), ('24', 8), ('25', 1), ('26', 1), ('3', 7), ('35', 6), ('39', 2), ('5', 7), ('6', 8), ('7', 10), ('8', 9), ('9', 6)]
謝謝你的回答,我在與它一個時間赫克!我會盡我所能接受 – Turtle
很高興你的問題已修復。到過那裏。 – Prune