python自练小程序之(字典,列表,元祖)

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# Author:song
# 有如下值集合 [11,22,33,44,55,66,77,88,99,90...],将所有大于 66 的值保存至字典的第一个key中,
# 将小于 66 的值保存至第二个key的值中。即: {'k1': 大于66的所有值, 'k2': 小于66的所有值}

def work1():
    d1 = {"小于66的值":[11,22,33,44,55],"大于66的值":[77,88,99,90]}
    print(d1["小于66的值"])
    print(d1["大于66的值"])

# 查找列表中元素,移除每个元素的空格,并查找以 a或A开头 并且以 c 结尾的所有元素。
#     li = ["alec", " aric", "Alex", "Tony", "rain"]

def work2():
    li = ["alec", " aric", "Alex", "Tony", "rain"]

    for i in li:
        print(i.strip()) #循环列表的时候,要注意i就是一个字符串。而不要写li[i]
        if i[0] is 'a'or 'A'and i[len(i)-1] is 'c':
            print("这个弱智就是",i)
    dic = {'k1': "alex", 'k2': ' aric', "k3": "Alex", "k4": "Tony"}

    for key in dic:
        print(key,dic[key].strip())
        if dic[key][0] is 'a'or 'A' and dic[key][len(dic[key])-1] is 'c':
            print("这个傻逼就是",dic[key])


# 输出商品列表,用户输入序号,显示用户选中的商品商品 li = ["手机", "电脑", '鼠标垫', '游艇']

def work3():
    li = ["手机", "电脑", '鼠标垫', '游艇']
    print("商品列表如下: ")
    for i in li:
        print(i,end = ' ')
    print('\n')
    choose = int(input("输入 1 选择手机,输入 2 选择电脑,输入 3 选择鼠标垫, 输入4选择游艇"))
    if choose == 1:
        print("您选择的商品为手机")
    elif choose == 2:
        print("您选择的商品为电脑")
    elif choose == 3:
        print("您选择的商品为鼠标垫")
    elif choose ==4:
        print("您选择的商品为游艇")

# 要求用户输入总资产,例如:2000
# 显示商品列表,让用户根据序号选择商品,加入购物车
# 购买,如果商品总额大于总资产,提示账户余额不足,否则,购买成功。
# 附加:可充值、某商品移除购物车
def work4():
    goods = [
        {"name": "电脑", "price": 1999},
        {"name": "鼠标", "price": 10},
        {"name": "游艇", "price": 20},
        {"name": "美女", "price": 998},
    ]
        # 要求用户输入总资产
        total_money = int(input("小子你有多少钱啊:  "))
        print('''
                 我们有以下商品供您选择:  
                序号======>名称======>价格
                 1  ======>电脑======>1999
                 2  ======>鼠标======>10
                 3  ======>游艇======>20
                 4  ======>美女======>998

           ''' )

    tag = True
    while tag:

        # 显示商品列表,让用户根据序号选择商品,加入购物车(dic)
        dic = {}
        tag1 = True
        while tag1:
            choose_number = int(input("请输入商品所对应的序号:  \n如需充值请输入 5"))
            n = choose_number
            if n == 1:
                print("您选择的商品为电脑,价格为1999元")
                dic["1"] = 1999
                print("\n")
                balance = total_money-dic[str(n)]
                print("账户余额: ", balance)
                ex = input("如需进行支付请输入 quit,输入键进行购买")
                if ex == "quit":
                    tag1 = False

                continue

            elif n == 2:
                print("您选择的商品为鼠标,价格为10元")
                dic["2"] = 10
                print("\n")
                balance = total_money-dic[str(n)]
                print("账户余额: ", balance)
                ex = input("如需进行支付请输入 quit,输入任意键进行购买")
                if ex == "quit":
                    tag1 = False
                continue
            elif n == 3:
                print("您选择的商品为游艇,价格为20元")
                dic["3"] = 20
                print("\n")
                balance = total_money-dic[str(n)]
                print("账户余额: ", balance)
                ex = input("如需进行支付请输入 quit,输入任意键进行购买")
                if ex == "quit":
                    tag1 = False
                continue
            elif n == 4:
                print("您选择的商品为美女,价格为998元")
                dic["4"] = 998
                print("\n")
                balance = total_money-dic[str(n)]
                print("账户余额: ", balance)
                ex = input("如需进行支付请输入 quit")
                if ex == "quit":
                    tag1 = False
                continue
            elif n == 5:
                money = int(input("你要充值多少钱:  "))
                total_money += money
                balance = total_money
                print("账户余额: ", balance)
                ex = input("如需进行支付请输入 quit,输入mai键进行购买")
                if ex == "quit" or "mai":
                    tag1 = False
                continue
        cut_hand = int(input("请输入 3 进行购买:  \n输入6进行删除购物车"))
        if cut_hand == 3:
            if total_money >= dic[str(n)]:
                print("购买成功")
            else:
                print("you are a low b,please choose other cheap thing")

        if cut_hand == 6:
            for i in dic:
                print(i, dic[i])
            del_number = int(input("请输出您要删除的物品对应的序号: "))
            del dic[str(del_number)]

if __name__ == '__main__':
     work1()
     work2()
     work3()
     work4()

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转载自blog.csdn.net/KassadinSw/article/details/72933917