save project

binary_search.py

@@ -4,13 +4,14 @@ flag = 17
 minIndex = 0
 minIndex = len(num_list)-1
 while True:
-mid = (minIndex + minIndex)//2
-if num_list[mid] == flag:
+    mid = (minIndex + minIndex)//2
+    if num_list[mid] == flag:
         print("中了！！是第"+str(mid)+"数")
-elif minIndex[mid] > flag:
+        break
+    elif minIndex[mid] > flag:
         minIndex = mid-1
-elif minIndex[mid] < flag:
+    elif minIndex[mid] < flag:
         minIndex = mid+1
-else:
+    else:
         print("nofoumd!!")
         break
\ No newline at end of file