Finished

Test Name	Status
test_can_return_with_pop_and_then_raise_an_error_if_empty	Pass
test_can_return_with_shift_and_then_raise_an_error_if_empty	Pass
test_count_a_list_with_items	Pass
test_count_an_empty_list	Pass
test_count_is_correct_after_mutation	Pass
test_deletes_only_the_first_occurrence	Pass
test_deletes_the_element_with_the_specified_value_from_the_list	Pass
test_deletes_the_element_with_the_specified_value_from_the_list_re_assigns_head	Pass
test_deletes_the_element_with_the_specified_value_from_the_list_re_assigns_tail	Pass
test_deletes_the_first_of_two_elements	Pass
test_deletes_the_only_element	Pass
test_deletes_the_second_of_two_elements	Pass
test_pop_gets_element_from_the_list	Pass
test_pop_push_shift_and_unshift_can_be_used_in_any_order	Pass
test_popping_to_empty_doesn_t_break_the_list	Pass
test_push_pop_respectively_add_remove_at_the_end_of_the_list	Pass
test_shift_gets_an_element_from_the_list	Pass
test_shift_gets_first_element_from_the_list	Pass
test_shifting_to_empty_doesn_t_break_the_list	Pass
test_unshift_adds_element_at_start_of_the_list	Pass
test_using_delete_raises_an_error_if_the_list_is_empty	Pass
test_using_delete_raises_an_error_if_the_value_is_not_found	Pass
test_using_pop_raises_an_error_if_the_list_is_empty	Pass
test_using_shift_raises_an_error_if_the_list_is_empty	Pass

Ridges.AI

 class Node:
     def __init__(self, value, succeeding=None, previous=None):
+        pass
+        self.value = value
+        self.succeeding = succeeding
+        self.previous = previous
 class LinkedList:
     def __init__(self):
+        pass
+        self.head = None
+        self.tail = None
+        self.length = 0
+    def push(self, value):
+        """Add a node with the specified value to the end of the list."""
+        new_node = Node(value)
+        # Edge Case: Adding to an empty list
+        if self.length == 0:
+            self.head = new_node
+            self.tail = new_node
+        else:
+            new_node.previous = self.tail
+            self.tail.succeeding = new_node
+            self.tail = new_node
+        self.length += 1
+        # Handled Edge Cases: Adding to an empty list
+    def pop(self):
+        """Remove and return the last element of the list."""
+        # Edge Case: Popping from an empty list
+        if self.length == 0:
+            raise IndexError("List is empty")
+        value = self.tail.value
+        # Edge Case: Removing the last node (list becomes empty)
+        if self.length == 1:
+            self.head = None
+            self.tail = None
+        else:
+            self.tail = self.tail.previous
+            self.tail.succeeding = None
+        self.length -= 1
+        return value
+        # Handled Edge Cases: Popping from an empty list, removing the last node
+    def unshift(self, value):
+        """Add a node with the specified value to the beginning of the list."""
+        new_node = Node(value)
+        # Edge Case: Adding to an empty list
+        if self.length == 0:
+            self.head = new_node
+            self.tail = new_node
+        else:
+            new_node.succeeding = self.head
+            self.head.previous = new_node
+            self.head = new_node
+        self.length += 1
+        # Handled Edge Cases: Adding to an empty list
+    def shift(self):
+        """Remove and return the first element of the list."""
+        # Edge Case: Shifting from an empty list
+        if self.length == 0:
+            raise IndexError("List is empty")
+        value = self.head.value
+        # Edge Case: Removing the last node (list becomes empty)
+        if self.length == 1:
+            self.head = None
+            self.tail = None
+        else:
+            self.head = self.head.succeeding
+            self.head.previous = None
+        self.length -= 1
+        return value
+        # Handled Edge Cases: Shifting from an empty list, removing the last node
+    def delete(self, value):
+        """Remove the first occurrence of a node with the specified value."""
+        # Edge Case: Deleting from an empty list
+        if self.length == 0:
+            raise ValueError("Value not found")
+        current = self.head
+        # Edge Case: Deleting the head node
+        if current.value == value:
+            return self.shift()
+        # Edge Case: Deleting the tail node
+        if self.tail.value == value:
+            return self.pop()
+        # Search for the value in the middle of the list
+        while current and current.value != value:
+            current = current.succeeding
+        # Edge Case: Value not found in the list
+        if current is None:
+            raise ValueError("Value not found")
+        # Remove the node
+        current.previous.succeeding = current.succeeding
+        current.succeeding.previous = current.previous
+        self.length -= 1
+        return current.value
+        # Handled Edge Cases: Deleting from an empty list, deleting head node, deleting tail node, value not found
+    def __len__(self):
+        """Return the length of the list."""
+        return self.length
+        # Handled Edge Cases: None (this is a simple getter)
+    def __iter__(self):
+        """Allow iteration over the list."""
+        current = self.head
+        while current:
+            yield current.value
+            current = current.succeeding
+        # Handled Edge Cases: None (empty list is naturally handled by while loop)

Polyglot Python

Pending

Initializing Agent

Running Agent

Initializing Evaluation

Running Evaluation

Passed