# i = 0

# while (i < 9):

# print("i ----> ",i)

# i = i + 1

# print(i,"i即将大于或者等于9,while不在执行")

#执行1-100的数字

# a1 = 1

# while a1 <= 100:

# print(a1,end=" ")

# a1 = a1 + 1

#执行100 -1 的数字

# a1 = 100

# while a1 >= 0:

# print(a1,end=" ")

# a1 = a1 - 1

#执行0+1+2+3+4+.....+100 的sum

# count = 0

# sum = 1

# while sum <= 100:

# count = count + sum #0+1+2+3

# sum += 1

# print(count)

#while 循环遍历列表内的值

# List = [1,2,3,4,5,6,7]

# items = len(List)

# count = 0 #表示索引的值

# while count < items:

# print("列表内的值------>：",List[count]) #每次打印索引值

# print("列表的索引的值------>",count)

# count += 1

#猜数字游戏

#1.猜无限次

# res = 999

# while True:

# guess_number = int(input("请输入要猜入的数字:"))

# if res == guess_number:

# print("猜对了,666")

# break #跳出循环，中止

# else:

# if guess_number > res:

# print("猜大了")

# else:

# print("猜小了")

#2.只能猜三次，自动停止程序

# res = 999

# times = 3

# while times > 0:

# guess_number = int(input("请输入要猜入的数字:"))

# if res == guess_number:

# print("猜对了,666")

# # break #跳出循环，中止

# continue #跳出当前循环

# else:

# if guess_number > res:

# print("猜大了")

# else:

# print("猜小了")

# times -= 1 # time = time -1

#3.猜三次，每次提示剩余的次数

# res = 999

# times = 3

# while times > 0:

# guess_number = int(input("请输入要猜入的数字:"))

# if res == guess_number:

# print("猜对了,666")

# if times != 0:

# print("您还剩" + str(times - 1) + "次机会")

# else:

# pass

# else:

# if guess_number > res:

# print("猜大了")

# if times != 0:

# print("您还剩" + str(times - 1) + "次机会")

# else:

# pass

# else:

# print("猜小了")

# if times != 0:

# print("您还剩" + str(times - 1) + "次机会")

# else:

# pass

# times -= 1 # time = time -1

#while 实现1-100以内的奇数,把结果存储在一个list中

# List = []

# i = 1

# while i < 100:

# if i % 2 != 0:

# List.append(i)

# i += 1

# print("新的列表:",List)

#while 语句，用户连续输入10个数字，求10个数字的平均值

List = []

times = 0

while times < 10:

num = int(input("请输入数字:"))

List.append(num)

print("您输入第" + str(times + 1)+"次数字")

times += 1

num1 = 0

for i in range(len(List)):

num1 += List[i]

print(num1/len(List))

#while计算偶数的和

n = 1

sum = 0

while n <= 100:

if n %2 == 0:

n += 1

continue

sum = sum + n

n += 1

print(sum)

#while 的break的实例

while True:

name = input("请输入：")

if name == "stop":

break

else:

print(name)