列表中的数字元素的计数
from collections import Counter word_list=[1,1,1,2,2,3,3,3,3,6,6,5,6,8,23,] result= dict(Counter(word_list)) print(result) 结果: {1: 3, 2: 2, 3: 4, 6: 3, 5: 1, 8: 1, 23: 1}
两个列表合并
l1=[1,2,3] l2=['萝卜','白菜','火龙果'] print(dict(map(lambda x,y:[x,y], l1,l2))) 结果: {1: '萝卜', 2: '白菜', 3: '火龙果'}