def binary_search(list,item):
low = 0
high = len(list)-1
while low <= high:
mid = (low + high)//2
guess = list[mid]
if guess == item:
return mid
if guess > item:
high = mid - 1
else:
low = mid + 1
return None
my_list = [1,3,5,7,9]
print(binary_search(my_list,3))
print(binary_search(my_list,-1))
#################猜年龄#################
import random
age = random.randint(1, 10)
for guess in range(1, 6): # 设置次数
choice = int(input()) # 输入玩家猜测的年龄
if choice < age: # 判读玩家输入的年龄是否等于正确的年龄
print('小埋的提示:你猜小了(;´д`)ゞ。。。。')
elif choice > age:
print('小埋的提示:乃猜大了惹(>﹏<)~~')
else:
print('猜了' + str(guess) + '次,你就猜对惹~hiu(^_^A;)~~~')
break
# 判断猜测次数
if choice == age:
print('搜噶~那么小埋下线了~拜拜~( ̄︶ ̄)↗')
else:
print('哎呀~你还是木有猜对啊~但是你只有5次机会诶~怎么办啊~')
print('那好吧~心软的小埋只好告诉你,我才' + str(age) + '岁')
############# 找出最大值和最小值 #############
def Min_Max(*arg):
list = []
flag = True
while flag:
item = input("请输入数值,'ok'结束输入:")
if item == "ok":
flag = False
else:
list.append(item)
min_n = list[0]
max_n = list[0]
for item in list:
if item < min_n:
min_n = item
if item > max_n:
max_n = item
return {"max": max_n, "min": min_n}
res = Min_Max()
print(res)