python基础补充2,作业

# print("hello,word!")
# print("我喜欢python",end='!

')
# print("名字:张三",end="")
# print("年龄20")
#
#
#
#
# print('------------------------------------------')
# print("欢迎进入身份认证系统99.99v")
# print("1,登录")
# print("2,退出")
# print("3,认证")
# print("4,修改密码")
# print('------------------------------------------')
#
# a = input("请输入你的名字：")
# b = input("请输入密码：")
#
# if (a == "张三" and b == "123"):
#    print("张三，欢迎加入")
# else:
#    print("输入错误请重新输入")
#
# name= input("请输入名字")
# qq= input("请输入qq号")
# phone= input("请输入手机号")
# address= input("请输入公司地址")
# print("名字：%s,QQ:%s,手机号：%s,公司地址:%s" % (name,qq,phone,address))
#
#
# def size(num1, num2, fuhao):
#    if fuhao == "+":
#       return num1 + num2
#    elif fuhao == "-":
#       return num1 - num2
#    elif fuhao == "*":
#       return num1 * num2
#    elif fuhao == "/":
#       return num1 / num2
#    else:
#       print("错误,请重新输入")
#
#
# if __name__ == "__main__":
#    a = int(input("请输入数字1："))
#    b = int(input("请输入数字2："))
#    c = input('请输入运算符：')
#    print(type(a))
#    jieguo2 = size(a, b, c)
#    print(jieguo2)
#
# zhangsan=input("请输入张三成绩：")
# lisi=input("请输入李四成绩：")
# if int(zhangsan)> int(lisi):
#    print("张三成绩高")
# else:
#    print("李四成绩高")

# score = int(input("请输入成绩:"))
# if score >=90:
#    print("优秀")
# elif score >=80:
#    print("良好")
# elif score >=60:
#    print("中等")
# else:
#    print("差")

# num =int(input("1月-4月淡季""5月-10月旺季"))
# sun = 0
# if 1<=num<4:
#     print("淡季100元门票")
#     num2 = int(input("选择出行方式1火车100,2汽车60"))
#     if num2==1:
#
#         sun=100+100
#     else:
#         sun=100+60
#
# elif 5>=num<10:
#     print("是旺季的门票是200元")
#     num2 = int(input("选择出行方式1火车100,2汽车60"))
#     if num2 == 1:
#         sun=200+100
#     else:
#         sun = 200+60
# else:
#     print("景区不开放")
# print("出行的总价格,",sun)

# sum=0
# i=1
# while i<=100:
#     sum+=i
#     i+=1
# print("1到100的和为:",sum)

# sum = 0
# i = 1
# for i in range(2,101,2):
#     sum+=i
# print(sum)

# s=8
# y=1
# while s<=20:
#     print("第%s年的学生为%d"% (y,s))
#     y+=1
#     s=s+s*0.25
# print("第%s年的学生为20万"% y)

# print('超市管理系统')
# print('***********************')
# print('请选择购买的商品')
# print('1.T恤  2.网球鞋  3.网球拍')
# print('*****************')
# shopping = 'a'
# while shopping == 'a':
#     no = input('请选择你要购买的商品')
#     if no == '1':
#         print('你要购买的商品为T恤')
#     elif no == '2':
#         print('你要购买的商品为网球鞋')
#     elif no == '3':
#         print('你要购买的商品为网球拍')
#     else:
#         print('欢迎下次光临')
# print('欢迎下次光临')