upd binary searches

chapter1/binary.py

@@ -6,13 +6,7 @@ logging.basicConfig(level=logging.DEBUG)
 logger = logging.getLogger(__name__)
 
 
-LOWER = 1000
-UPPER = 1000000
-SAMPLE_SIZE = 1000
-
-
 def binary_search(arr, item):
-    count = 1
     low = 0
     high = len(arr) - 1
 
@@ -20,27 +14,29 @@ def binary_search(arr, item):
         mid = (low + high) // 2
         guess = arr[mid]
         if guess == item:
-            logger.debug(f"found item after {count} splits")
             return mid
         elif guess > item:
             high = mid - 1
         else:
             low = mid + 1
 
-        count += 1
-
     return None
 
 
+LOWER = 1000
+UPPER = 1000000
+SAMPLE_SIZE = 1000
+
+
 numbers = random.sample(range(LOWER, UPPER), SAMPLE_SIZE)
 numbers.sort()
-logger.debug(numbers)
 
 start = time.time()
-res = None
-while res is None:
+result = None
+while result is None:
     guess = random.randrange(LOWER, UPPER)
-    res = binary_search(numbers, guess)
+    logger.debug(f"guess: {guess}")
+    result = binary_search(numbers, guess)
 
 
-print(f"Found {guess} at index {res}. Running time {time.time() - start}")
+print(f"Found {guess} at index {result}. Running time {time.time() - start}")