save project

1.py

+import random
+list_a=[]
+for i in range(1,101):
+    list_a.append(i)
+a_num=random.choice(list_a)
+
+def binary_search(alist,num):
+    low=0
+    high=len(alist)-1
+    while True:
+        mid=(low+high)//2
+        guess=alist[mid]
+        if guess==num:
+            print('找到了')
+            return mid
+        elif guess<num:
+            low=mid+1
+        else:
+            high=mid-1
+s=binary_search(list_a,a_num)
+print(s)
\ No newline at end of file

binary_search.py

@@ -3,6 +3,7 @@ num_list = [1, 3, 5, 8, 11, 15, 17, 18, 20, 21]
 low=0
 low=0
 high=9
 high=9
 num=20
 num=20
+def binary_search(alist,num):
 while True:
 while True:
     mid=(low+high)//2
     mid=(low+high)//2
     guess=num_list[mid]
     guess=num_list[mid]