Python：每日一题 78（答题领鱼币）

克里斯保罗

def average_string(string:str):
    dict_num ={'one':1,'two':2,'three':3,'four':4,'five':5,'six':6,'seven':7}
    total =[]
    temp = string.split(' ')
    count = 0
    for each in temp:
        if each not in dict_num:
            return 'n/a'
        else:
            total.append(dict_num[each])
            count+=1
    a = sum(total)//count
   
    return ''.join([k for (k,v) in dict_num.items() if v == a])