save project

my_search.py

 import random
 import random
-
+a=50
 alist = []
 alist = []
 for i in range(1, 101):
 for i in range(1, 101):
     alist.append(i)
     alist.append(i)
 num = random.choice(alist)
 num = random.choice(alist)
 # 请完善二分查找函数binary_search(),查找出num在列表alist里面的索引位置
 # 请完善二分查找函数binary_search(),查找出num在列表alist里面的索引位置
-
-def binary_search(alist,num):
+for i in range(1,101):
+    if alist[i]==a:
\ No newline at end of file
+        print(i)
+        break
+#def binary_search(alist,num):
\ No newline at end of file