python作业一
1、使用while循环输入(1-10的数字) 打印出1 2 3 4 5 6 8 9 10
运行结果:
2、求1-100的所有数的和
运行结果:
3、输出 1-100 内的所有偶数
运行结果:
4、输出 1-100 内的所有奇数
运行结果:
5、求1-2+3-4+5 ... 99的所有数的和
# -*- coding:utf-8 -*- n = 0 s = 0 sum = 0 number = list(range(1,101)) while True: for i in number: if i % 2 == 1: n = n + i if i % 2 == 0: s = s + i sum = s - n # print(n) # print(s) print(sum) break
运行结果:
6、用户登陆(三次机会重试)
# -*- coding:utf-8 -*-
name = 'seven'
pwd = '123'
count = 0
while count < 3:
Name = input("name:")
Pwd = input("pwd:")
if name == Name and pwd == Pwd:
print("登录成功")
else:
print("登录失败!")
count = count+1
continue
print("登录失败三次退出登录")
运行结果: