save project

binary_search.py

 # 使用二分查找法，找出9和20在列表里面的索引
 # 使用二分查找法，找出9和20在列表里面的索引
-num_list = [1, 3, 5, 8, 11, 15, 17, 18, 20, 21]
+bingo_num= 20
\ No newline at end of file
+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==bingo_num:
+    print("找到了,它在列表索引是:",mid)
+    break
+elif guess_num<bingo_num
+ low=mid+1
+ elif guess_num<bingo_num
+ low=mid-1
+
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