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]
+num_list = [1, 3, 5, 8, 9, 11, 15, 17, 18, 20, 21]
\ No newline at end of file
+index = 0
+
+bingo_num = [9,20]
+
+low,high = 0,len(num_list) - 1
+
+while index < 2:
+    low,high = 0,len(num_list) - 1
+    while low <= high:
+        mid = (low + high)
+        guess_num = num_list[mid]
+        if guess_num == bingo_num[index]:
+            print("找到了，他在列表里的索引是:%d"%(mid))
+            break
+        elif guess_num < bingo_num[index]:
+            low = mid + 1
+        elif guess_num > bingo_num[index]:
+            high = mid - 1
+    index += 1
\ No newline at end of file