怎么编程，急！求大佬解答

Question

 

Answer 1

lst = [7,5,7,5,5,4,5]
dic = {}
for v in lst:
    dic[v] = dic.get(v,0)+1

for k,v in dic.items():
    if v>=(len(lst)+1)/2:
        print("众数是：",k,"出现次数：",v)