Day6：Python基础：简单购物车

while 1:

    Li = ['手机','电脑','Ipad','无线耳机','运动鞋']
    for Loop in Li:
        print('{}\t{}'.format(Li.index(Loop)+1,Loop))

    Num_chioce = input("请输入你选择的商品号，输入Q退出：")
    if Num_chioce.isdigit():
        Num_chioce = int(Num_chioce)
        if Num_chioce > 0 and Num_chioce <= len(Li):
            print('你选择的商品是:' '{}'.format(Li[Num_chioce - 1]))
        else:
            print('请输入有效数字')

    elif Num_chioce.upper()  == 'Q':
        break

    else:
        print('请输入正确的数字')