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]
-hig=list[]
+c = [1, 3, 5, 8, 11, 15, 17, 18, 20, 21]
+a=20
\ No newline at end of file
+l=0
+h=len(c)-1
+
+while l <= h:
+    m=(l+h)//2
+    b==b[m]
+    if b ==a:
+        print("找到了")
+        break
+    elif b<a:
+        l=m+1
+    elif b>a:
+        h=m-1