Ruff fixes (TheAlgorithms#8913)

* updating DIRECTORY.md * Fix ruff error in eulerian_path_and_circuit_for_undirected_graph.py * Fix ruff error in newtons_second_law_of_motion.py --------- Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>

Author: tianyizheng02

DIRECTORY.md

@@ -236,8 +236,8 @@
  * [Double Ended Queue](data_structures/queue/double_ended_queue.py)
  * [Linked Queue](data_structures/queue/linked_queue.py)
  * [Priority Queue Using List](data_structures/queue/priority_queue_using_list.py)
+ * [Queue By List](data_structures/queue/queue_by_list.py)
  * [Queue By Two Stacks](data_structures/queue/queue_by_two_stacks.py)
- * [Queue On List](data_structures/queue/queue_on_list.py)
  * [Queue On Pseudo Stack](data_structures/queue/queue_on_pseudo_stack.py)
  * Stacks
  * [Balanced Parentheses](data_structures/stacks/balanced_parentheses.py)

graphs/eulerian_path_and_circuit_for_undirected_graph.py

@@ -20,7 +20,7 @@ def check_circuit_or_path(graph, max_node):
  odd_degree_nodes = 0
  odd_node = -1
  for i in range(max_node):
- if i not in graph.keys():
+ if i not in graph:
  continue
  if len(graph[i]) % 2 == 1:
  odd_degree_nodes += 1

physics/newtons_second_law_of_motion.py

@@ -60,7 +60,7 @@ def newtons_second_law_of_motion(mass: float, acceleration: float) -> float:
  >>> newtons_second_law_of_motion(2.0, 1)
  2.0
  """
- force = float()
+ force = 0.0
  try:
  force = mass * acceleration
  except Exception: