排序演算法，

排序演算法，

sorted - 廖雪峰

 

 1 L1 = sorted([36,5,-12,9,-21]) 2 print(L1) 3  4 L2 = sorted([36,5,-12,9,-21],key=abs) 5 print(L2) 6  7 L3 = sorted(['bob', 'about', 'Zoo', 'Credit']) 8 print(L3) 9 10 L4 = sorted(['bob', 'about', 'Zoo', 'Credit'], key=str.lower)11 print(L4)12 13 L5 = sorted(['bob', 'about', 'Zoo', 'Credit'], key=str.lower, reverse=True)14 print(L5)15 16 L = [('Bob', 75), ('Adam', 92), ('Bart', 66), ('Lisa', 88)]17 18 def by_name(t):19     return t[0]20 21 def by_score(t):22     return t[1]23 24 L6 = sorted(L,key=by_name)25 L7 = sorted(L,key=by_score,reverse=True)26 print(L6)27 print(L7)