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, 11, 15, 17, 18, 20, 21]
\ No newline at end of file
+d=0
+c=len(num_list)-1
+b=(c+d)//2
+a=20
+
+while c>d:
+    if a==num_list[b]:
+        print('猜到了')
+    if a<num_list[b]:
+        d=b+1
+    elif:
+        d=b-1
\ No newline at end of file