python-small-examples/md/67.md at master · data-python/python-small-examples

File metadata and controls

22 lines (17 loc) · 368 Bytes

@author jackzhenguo
@desc 
@date 2019/4/6

67 求众数

def top1(lst):
    return max(lst, default='列表为空', key=lambda v: lst.count(v))

测试举例:

lst = [1, 3, 3, 2, 1, 1, 2]
r = top1(lst)
print(f'{lst}中出现次数最多的元素为:{r}')  
# [1, 3, 3, 2, 1, 1, 2]中出现次数最多的元素为:1