python-day1练习

#-*- encoding:utf-8 -*-

#'''
#使用while循环输入123456 8910
count = 0
while count < 10 :
    count += 1
    if count > 6 and count < 8 :
        continue
    print(count)

#求1-100所有数的和
count = 1
sum = 0
while count <= 100 :
    sum = sum + count
    count += 1
print(sum)

#输出1-100内所有偶数
count = 1

while count < 101 :
    num = count % 2
    if num == 0 :
        print(count)
    else:
        num == False
    count += 1

#输出1-100内所有奇数
count = 1

while count < 101 :
    num = count % 2
    if num == 1 :
        print(count)
    else:
        num == False
    count += 1

#求1-2+3-4+5...00所有数的和

count = 1
sum = 0
while count < 100 :
    num = count % 2
    if num == 1 :
        sum = sum + count
    else:
        sum = sum - count
    print(count)

    count += 1
print(sum)


i = 0

while i<3:
    name = input("name")
    passwd = input("passwd")
    if name == 'yyh':
        if passwd == '18':
            print("登陆成功")
            break
    else:
        print("你只有三次机会")
        i += 1

name = 'yyh'
passwd = 123456

i = 3

while i > 0:
    name1 = input('name')
    passwd1 = input('passwd')
    if name1 == name:
        if passwd1 == passwd:
            print('登陆成功')
            break
        else:
            print('密码不对')            
    else :
        print('用户名不对')
    i -= 1
if i == 0:
    print('三次机会已用完再见')