题解 | #参数解析#

while True:
    try:
        order=input()
        order=order.replace('"',',.') '''将引号换成，.'''
        order=order.split(',') '''用逗号分隔，同时留下.分辨'''
        a=[]
        for i in order:
            if "." not in i: '''非引号中命令'''
                tmp=i.split()
                for j in tmp:
                    a.append(j)
            elif "." in i: 
                if len(i)>1 and i[1]==" ":引号下一个命令
                    tmp=i[2:].split()
                    for j in tmp:
                        a.append(j)
                elif len(i)>1 and i[1]!=" ":引号中命令
                    a.append(i[1:])
        print(len(a))      
        for i in a:
            print(i)
    except:
        break