[Python] 포켓몬

https://school.programmers.co.kr/learn/courses/30/lessons/1845

프로그래머스

def solution(nums):

    length = len(nums)
    n_unique = set(nums)
    
    if length // 2 >= len(n_unique):
        return len(n_unique)
    else:
        return length // 2