python—DAY1

# user = "123"
# possword = "111"
# count = 0
#
# while count < 3:
#     user_name = input("姓名：")
#     possword1 = input("密码：")
#     if user_name == user and possword1 == possword:
#         print("登陆成功！")
#         break
#     else:
#         print("登陆失败！")
#         count += 1
# else:
#     print("输入已达上限！")

# a = list(range(0,100,2))
# print(a)

#1、使用while循环输入1234568910
# count = 0
# while count < 10:
#     count += 1
#     if count == 7:
#         pass
#     else:
#          print ("logon:",count)

#2、输入1-100以内所有的奇数
#方法一：
# count = 1
# while count < 101:
#     print (count)
#     count += 2
#方法二：
# count = 1
# while count < 101:
#     if count % 2 == 1:
#       print (count)
#     count += 1

#3、求1-2+3-4+5....99的所有的和
# sum = 0
# count = 1
# while count < 100:
#     if count %2 == 0:
#         sum - count
#     else:
#         sum += count
#     count += 1
# print (sum)

#用户登录（三次机会重试）
# user ="haha"
# possword = "123"
# count = 0
# while count < 3:
#     user1 = input("姓名：")
#     possword1 = input ("密码：")
#     if user1 == user and possword1 == possword:
#         print("登录成功！")
#     else:
#         print("登录失败！")
#         count += 1
# print("当日次数已用完！")

# #格式化输出
# name = input ("姓名：")
# age = int(input("年龄："))
# height =int ( input("身高："))
# # msg = "我叫%s,今年%s,身高%s"%(name,age,height)
# # print(msg)
# a = """--------info of %s-----------
# name：  %s
# age:    %s
# height: %s
# -----------END---------------"""%(name,name ,age,height)
# print(a)

# a = range(100)
# count = 0
# for i in a :
#     count = count + i
#     print(count)