auto save

binary_search.py

@@ -2,12 +2,12 @@
 num_list = [1, 3, 5, 8, 11, 15, 17, 18, 20, 21]
 num=20
 low,high=0,len(num_list)
-while True:
+guess=0
+while guess==num:
     mid=(low+high)//2
     guess=num_list[mid]
     if guess==num:
         print("找到了")
-        pop()
     elif guess<num:
         low=mid+1
         print(guess)