auto save

binary_search.py

-# 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]
\ No newline at end of file
+# # 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=int(input("数字"))
+# low=0
+# high=len(num_list)-1
+
+# while(1):
+#     mid=(low+high)//2
+#     if num == num_list[mid]:
+#         print("是",mid)
+#         break
+#     elif num<=num_list[mid]:
+#         high=mid-1
+#     else:
+#         low=mid+1
+#     if high<=low:
+#         print("没")
+#         break
+
+
+
+
+
+
+
+
+
+        
+
+