feat: finish binary gab in python

Author: bujosa

alternative/easy/binary_gab.py

@@ -0,0 +1,24 @@
+def find_binary_gap(n):
+    max_gap = 0
+    current_gap = 0
+    start_counting = False
+    num = n
+    while num > 0:
+        if num & 1 == 1:
+            if not start_counting:
+                start_counting = True
+            else:
+                max_gap = max(max_gap, current_gap)
+            current_gap = 0
+        elif start_counting:
+            current_gap += 1
+        num >>= 1
+    return max_gap
+
+# Test cases
+assert find_binary_gap(9) == 2
+assert find_binary_gap(529) == 4
+assert find_binary_gap(20) == 1
+assert find_binary_gap(15) == 0
+assert find_binary_gap(32) == 0
+assert find_binary_gap(1041) == 5