[파이썬] 문제 : 딕셔너리 영어 단어 카운트

def count_words(ss):
    dic = {}
    for w in ss.split():
        if w in dic.keys():
            dic[w] += 1
        else:
            dic[w] = 1
    print(dic)
    
ss =  'I have a dream that one day this nation will rise up and out the true meaning of its creed'
count_words(ss)