save project

binary_search.py

@@ -5,15 +5,12 @@ low=0
 high =len(num_list)-1
 high =len(num_list)-1
 while low <= high:
 while low <= high:
     mid = (low+high)//2
     mid = (low+high)//2
-    guess = num_list[mid]
-    if high < low:
-        print("没有这个数")
-    else:    
-        if guess == number:
-            print("索引值",mid)
-            break   
-        elif guess < number:
-            low = mid+1
-        elif guess > number:
+    guess = num_list[mid]    
+    if guess == number:
+        print("索引值",mid)
+        break   
+    elif guess < number:
+        low = mid+1
+    else guess > number:
+        high = mid-1    
+print("没有这个数")    
\ No newline at end of file
-            high = mid-1
-    
\ No newline at end of file