Change variable name from c to count

Author: Chris Cooper

python/0621-task-scheduler.py

@@ -26,6 +26,6 @@ def leastInterval(self, tasks: List[str], n: int) -> int:
         counter = collections.Counter(tasks)
         max_count = max(counter.values())
         min_time = (max_count - 1) * (n + 1) + \
-                    sum(map(lambda c: c == max_count, counter.values()))
+                    sum(map(lambda count: count == max_count, counter.values()))
 
         return max(min_time, len(tasks))