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
+num_list = [1, 3, 5, 8, 11, 15, 17, 18, 20, 21]
+g=int(imput())
+l=0
+h=len(num_list)-1
+m=0
+if g not in num_list:
+    print('sb')
+while h>=l:
+    m=(h+l)//2
+    n = num_list[m]
+    if n==g:
+        print('djhg',m)
+        break
+    elif n<g:
+        l=m+1
+    elif n>g:
+        h=m-1