#还款
totalMoney=0 #累计还款金额
for i in range(1,11):
totalMoney=totalMoney+12
print("第",i,"年，还款12万元！累计已还",totalMoney,"万！，还差",120-totalMoney,"万！")
print("---已还清",totalMoney,"万元！")#for循环遍历列表
names=["张三","李四","王五","赵六"]
#直接遍历
for name in names:
print(name)
# #构造索引遍历
# for i in range(0,len(names)):
# print(names[i])
#遍历元组
scores=(67,78,68,87,92,45,69,77)
# for i in range(0,len(scores)):
# print(scores[i])
# #平班级均分数
scores=(67,78,68,87,92,45,69,77)
# total=0
# for score in scores:
# total=total+score
# print(total/len(scores))
# #遍历字典 只获取键
# dictA={"name":"张三","age":18,"hobby":"打球"}
# for x in dictA:
# print(x,dictA[x])#遍历集合
setA={1,324,243,535,23}
for i in setA:
print(i)# #判断某个名字是否存在
# names=["张三","李四","王五","赵六"]
# key=input("请输入要查询的姓名：")
# result="不存在" #保存结果
# for name in names:
# if name==key:
# result="存在"
# print(result)#计算及格率
scores=(67,78,68,87,92,45,69,77,53,89)
count=0
for score in scores:
if score>=60:
count=count+1
print(count/len(scores))
#苹果打8折，其他商品不打折，求购物车总价
cart = {"apple": 25, "banana": 12, "orange": 9}
totalPrice=0
for key in cart:
name=key
price=cart[key]
if name=="apple":
price=price*0.8
totalPrice=totalPrice+price
print("购物车总价为：",totalPrice)获取最高分和最低分，直接通过函数获取。
scores=[67,78,68,87,92,45,69,77]
print(min(scores)) #获取最小值
print(max(scores)) #获取最大值
#获取最长字符串
strings=["hello","world","你好世界","你是谁？","who are you?"]
longest=len(strings[0])
result=""
for s in strings:
l=len(s)
if l>longest:
longest=l
result=s
print("最长字符串:",result,"长度：",longest)