Python3.6鍏ㄦ爤寮€鍙戝疄渚媅012]

Posted 2021-01-02

鏍囩锛?a href='http://www.mamicode.com/so/1/upper' title='upper'>upper   while   閫夋嫨   瑕佹眰   style   ==   鎵撳嵃   鏄剧ず   mount   

12.杈撳嚭鍟嗗搧鍒楄〃锛岀敤鎴疯緭鍏ュ簭鍙凤紝鏄剧ず鐢ㄦ埛閫変腑鐨勫晢鍝?鍗囩骇棰?
鍟嗗搧鍒楄〃锛?br> goods = [{"name": "鐢佃剳", "price": 1999},
{"name": "榧犳爣", "price": 10},
{"name": "娓歌墖", "price": 20},
{"name": "缇庡コ", "price": 998}, ]
瑕佹眰:
1锛氶〉闈㈡樉绀?搴忓彿 + 鍟嗗搧鍚嶇О + 鍟嗗搧浠锋牸锛屽锛?br> 1 鐢佃剳 1999
2 榧犳爣 10
鈥?br>2锛氱敤鎴疯緭鍏ラ€夋嫨鐨勫晢鍝佸簭鍙凤紝鐒跺悗鎵撳嵃鍟嗗搧鍚嶇О鍙婂晢鍝佷环鏍?br>3锛氬鏋滅敤鎴疯緭鍏ョ殑鍟嗗搧搴忓彿鏈夎锛屽垯鎻愮ず杈撳叆鏈夎锛屽苟閲嶆柊杈撳叆銆?br>4锛氱敤鎴疯緭鍏鎴栬€卶锛岄€€鍑虹▼搴忋€?/p>

lst = []
shopcars = {}
while 1:
    goods = [{"name": "鐢佃剳", "price": 1999},
     {"name": "榧犳爣", "price": 10},
     {"name": "娓歌墖", "price": 20},
     {"name": "缇庡コ", "price": 998}, ]
    for i,j in enumerate(goods,1):
        print(i,j[鈥?/span>name鈥?/span>],j[鈥?/span>price鈥?/span>])
        lst.append(j)
    choice = input(鈥?/span>璇疯緭鍏ュ晢鍝佺紪鍙烽€夋嫨鍟嗗搧:鈥?/span>)
    if choice.isdigit():
        choice = int(choice)
        pname = lst[choice-1][鈥?/span>name鈥?/span>]
        pprice = lst[choice-1][鈥?/span>price鈥?/span>]
        print(pname,pprice)
        if pname in shopcars:
            shopcars[pname][鈥?/span>amount鈥?/span>] +=1
        else:
            shopcars[pname] = {鈥?/span>pprice鈥?/span>: pprice, 鈥?/span>amount鈥?/span>: 1}
    elif choice.upper() == 鈥?/span>Q鈥?/span>:
        print(shopcars)
        break
    else:
        print(鈥?/span>鍟嗗搧搴忓彿鏈夎!鈥?/span>)