foo123
diff --git a/‎DIRECTORY.md‎
Lines changed: 1 addition & 1 deletion b/‎DIRECTORY.md‎
Lines changed: 1 addition & 1 deletion
diff --git a/‎graphs/eulerian_path_and_circuit_for_undirected_graph.py‎
Lines changed: 1 addition & 1 deletion b/‎graphs/eulerian_path_and_circuit_for_undirected_graph.py‎
Lines changed: 1 addition & 1 deletion
diff --git a/‎physics/newtons_second_law_of_motion.py‎
Lines changed: 1 addition & 1 deletion b/‎physics/newtons_second_law_of_motion.py‎
Lines changed: 1 addition & 1 deletion
@@ -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)
 
@@ -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
 
@@ -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: