[REFACTOR] clean code: variable naming

Author: Gonzalo Diaz

src/hackerrank/interview_preparation_kit/dictionaries_and_hashmaps/frequency_queries.py

@@ -8,17 +8,17 @@ def freq_query(queries):
     result = []
     data_map: Dict[int, int] = {}
 
-    for q in queries:
-        operation = q[0]
-        data = q[1]
+    for query in queries:
+        operation = query[0]
+        data = query[1]
 
         if operation == 1:  # insert
             data_map[data] = data_map.get(data, 0) + 1
         elif operation == 2 and data_map.get(data, 0) > 0:  # delete
             data_map[data] -= 1
         elif operation == 3:  # "select"
-            for v in data_map.values():
-                if v == data:
+            for value in data_map.values():
+                if value == data:
                     result.append(1)
                     break
             else: