save project

binary_search.py

+num_list=[1,3,5,11,15,17,18,20,21]
+num=9
+low=0
+while low<=high
+    high=len(num_list)-1
+    mid=(low=high)//2
+    guess=num_list[mid]
+    if guess>num:
+        high=mid-1
+    elif guess<num:
+        low=mid+1
+    else:
+        print(guess)
+