题解 | #参数解析#

while True:
    try:
        a = list(input())
        k = 0
        d = []
        for i in range(len(a)):
            if(a[i] == '"'): #记住引号的位置
                d.append(i)
        test = 0
        for i in range(0,len(d),2):
            for j in range(d[i],d[i+1] + 1): #每两个引号之间的字符串的空格用$代替
                if(a[j] == ' '):
                    a[j] = '$'
        a = ''.join(a)
        a = a.split() #按空格分开
        for i in range(len(a)):
            a[i] = a[i].replace('"','') #去掉引号
            a[i] = a[i].replace('$',' ') #将$还原为空格
        print(len(a)) #按要求输出
        for i in range(len(a)):
            print(a[i])
    except:
        break