# 作业(必做题):
# 1. 使用while循环输出1 2 3 4 5 6 8 9 10
count = 1
while count < 7:
print(count)
count = count + 1
count = count + 1
while count < 11:
print(count)
count = count + 1
# 2. 求1-100的所有数的和
x = 0
for y in range(1, 101):
x = x + y
# print(x)
# 3. 输出 1-100 内的所有奇数
count = 1
while count < 101:
if count % 2 == 0:
count = count + 1
else:
print(count, '奇数')
count = count + 1
# 4. 输出 1-100 内的所有偶数
count = 1
while count < 101:
if count % 2 == 1:
count = count + 1
else:
print(count, '偶数')
count = count + 1
# 5. 求1-2+3-4+5 ... 99的所有数的和
count1 = 1
count2 = 0
while count1 < 100:
temp = count1 % 2
if temp == 0:
count2 = count2 - count1
else:
count2 = count2 + count1
count1 = count1 + 1
print(count2)
# 6. 用户登陆(三次机会重试)
username = 'yan'
password = 123
count = 0
while count < 3:
name = input('请输入用户名 :')
password = input('请输入密码 :')
if name == username and password == int(password):
print('登录成功')
break
else:
print('登录失败')
count += 1
# 7:猜年龄游戏
# 要求:
# 允许用户最多尝试3次,3
# 次都没猜对的话,就直接退出,如果猜对了,打印恭喜信息并退出
age = 80
count = 0
print('猜一猜 这个数字是多少(范围在 1-100)')
while count < 3:
guess = int(input('请输入你猜的数字 :'))
if guess < age:
print('猜小了')
elif guess > age:
print('猜大了')
else:
print('恭喜你猜对了')
break
count += 1
else:
print('很遗憾机会用光了,你并没有猜对')
# # 8:猜年龄游戏升级版(选做题)
# 要求:
# 允许用户最多尝试3次
# 每尝试3次后,如果还没猜对,就问用户是否还想继续玩,如果回答Y或y, 就继续让其猜3次,以此往复,如果回答N或n,就退出程序
# 如何猜对了,就直接退出
age = 80
count = 0
print('猜一猜 这个数字是多少(范围在 1-100)')
while count < 3:
guess = int(input('请输入你猜的数字 :'))
if guess == age:
print('恭喜你猜对了')
break
elif guess < age:
print('猜小了')
count += 1
else:
print('猜大了')
count += 1
if count == 3:
choice = input('你已经用光三次机会请问是否继续,
Y/N :')
if choice == 'Y' or choice == 'y':
print('你选择了: ', choice, '游戏将继续进行,
欢迎游玩')
count = 0
elif choice == 'N' or choice == 'n':
print('你选择了: ', choice, '程序即将退出,
欢迎游玩')
break
else:
print('错误的指令,游戏结束')