The captain's room | Hackerrank

min_frequency.py

from itertools import groupby

K = int(input())
lis = list(map(int, input().split()))
dic = {}
min=0

for i in lis:
    if str(i) not in dic:
        dic[str(i)] = 1;
    else:
        dic[str(i)]+=1
        
min = dic[list(dic.keys())[0]]
for i in dic:
    if dic[i] < min:
        min = dic[i]
        mykey = i
print(mykey)