save project

diy2.py

-class Hero:
-    def __init__(self,name,hp,attack):
-        self.level = 1
-        self.name = name
-        self.hp = hp
-        self.attack = 
-        
-def ypgrade():
-    yase.level=yase.level+1
-    yase.hp=yase.hp+50
-    yase.attack=yase.attack+4
-
-yase = Hero("亚瑟",300,20)
-print("亚瑟的血量为: ",yase.hp)
-upgrade()
-upgrade()
-print("升级2次后，亚瑟的血量为: ",yase.hp)
-
-
-
-
-
-
-
-
+bingo_num = 20
+num_list = [1,3,5,8,11,15,17,18,20,21]
+
+low = 0 
+high = len(num_list)-1
+while low <= high:
+    mid = (low + high) // 2
+    guess = num_list[mid]
+    if guess == bingo_num:
+        print("找到了，它的索引是：",mid)
+        break
+    elif guess < bingo_num:
+        low = mid + 1
+    else:
+        high = mid - 1