#1: 使用while循环输出1 2 3 4 5 6 8 9 10
count = 0
while(count<10):
count+=1
if(count==7):
continue
print(count)
#2. 求1-100的所有数的和
count = 1
sum = 0
while count < 101:
sum = sum + count
print(sum)
count += 1
#3:. 输出 1-100 内的所有奇数
count = 0
while count < 101:
if count % 2 == 1:
print(count)
count += 1
#4: 输出 1-100 内的所有偶数
count = 1
while count < 101:
if count % 2 == 0:
print(count)
count += 1
#5: 求1-2+3-4+5 ... 99的所有数的和
c = 1
s = 0
while c < 100:
temp = c % 2
if temp == 0:
s = s - c
else:
s = s + c
c += 1
print(s)
#6: 用户登陆(三次机会重试)
username = 'abc'
pwd = '123'
count = 0
while count < 3:
inp_name = input('请输入名字:')
inp_pwd = input('请输入密码:')
if inp_name == username and inp_pwd == pwd:
print('welcome')
break
else:
print('You have {x} times to try'.format(x = 2- count))
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 = '19'
count = 0
while count < 3:
inp_age = input('Your age:')
if age == inp_age:
print('congratulation!!!')
break
else:
print('your are wrong')
count += 1