python---列表、元组

names = ["fengxiaoli","Cx","#wang","3bin",["dudu","longlong"],"fengye","Cx"]
print(names[0],names[1])
print(names[0:2])
print(names[:2])
print(names[-1])
print(names[-3:-1])
print(names[-3:])
print(names[0:-1:2])        #0开头，-1结尾，间隔2；0和-1可省

print(names)

for i in names:             #遍历列表中的值
   print(i)

names.append("chenjia")       #从列表最后增加
names.insert(1,"xiaoming")    #制定位置增加
print(names)

names[1]="daming"
print(names)

names.remove("daming")    #指定字符删除
names.pop(1)              #按索引号删除
names.clear()             #删除整个列表
del names[0:3]            #指定索引删除
print(names)

print(names.index("3bin"))      #打印3bin所在的下标
print(names[names.index("3bin")])      #打印3bin所在的下标所对应的值

names.reverse()            #将列表中的值反向
print(names)

print(names.count("Cx"))    #统计Cx

names2 = [1,2,3,4]
names.extend(names2)        #合并列表names和names2

names.sort()                #排序

names3 = names.copy()
names[1] = "cxcx"           #更改names中数据后，names3只有第一层列表未受影响，二级列表改变，说明二级列表中names和names3指向同一内存地址
names[4][0] = "DUDU"
print(names)
print(names3)

#输出结果
# ['fengxiaoli', 'cxcx', '#wang', '3bin', ['DUDU', 'longlong'], 'fengye', 'Cx']
# ['fengxiaoli', 'Cx', '#wang', '3bin', ['DUDU', 'longlong'], 'fengye', 'Cx']

import copy
names = ["fengxiaoli","Cx","#wang","3bin",["dudu","longlong"],"fengye","Cx"]
names3 = copy.deepcopy(names)       #copy.copy()也是浅copy
names[1] = "cxcx"                   #更改names列表中的数据，复制后的names3不受影响
names[4][0] = "DUDU"
print(names)
print(names3)

#输出结果
# ['fengxiaoli', 'cxcx', '#wang', '3bin', ['DUDU', 'longlong'], 'fengye', 'Cx']
# ['fengxiaoli', 'Cx', '#wang', '3bin', ['dudu', 'longlong'], 'fengye', 'Cx']

names = ("we","are","chinese","happy","new")
#切片
print(names[0],names[1])
print(names[0:2])
print(names[:2])
print(names[-1])
print(names[-3:-1])
print(names[-3:])
print(names[0:-1:2])    #0开头，-1结尾，间隔2；0和-1可省

# Author:fengxiaoli
product_list=[["phone",1000],["bike",500],["computer",2000]]
shop_car=[]

salary=input("Please input your salary:")
if salary.isdigit():
    salary=int(salary)
    while True:
        for index,item in enumerate(product_list):
            print(index,item)
        shop_choce=input(">>>>>:")
        if shop_choce.isdigit():
            shop_choce=int(shop_choce)
            if shop_choce<=len(product_list)and shop_choce>=0:
                temp_shop=product_list[shop_choce]
                if salary>=temp_shop[1]:
                    shop_car.append(temp_shop[0])
                    salary -=temp_shop[1]
                    print("\033[31;1mYou bought a %s,Your balance is %s\033[0m"%(temp_shop[0],salary),)
                else:
                    print("\033[31;1mYour balance is not enough\033[0m")
            else:
                print("\033[31;1mProduct does not exist\033[0m")
        elif shop_choce=="q":
            print("------Shopping cart list-----")
            for i in shop_car:
                print(i)
            exit()
        else:
            print(" Invalid input")