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✨💫 Nice work Alie. I left some comments about how you might take more advantage of the doubly linked list structure. Let me know what questions you have.

🟢

Comment on lines +11 to +17
self.previous = prev_node

# Defines the singly linked list
class LinkedList:
def __init__(self):
self.head = None # keep the head private. Not accessible outside this class
self.head = None # keep the head private. Not accessible outside this class
self.tail = None

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😃 Nice! Doubly Linked List!

# Space Complexity: ?
# Time Complexity: O(1)
# Space Complexity: O(1)
def get_first(self):

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# Time Complexity: ?
# Space Complexity: ?
# Time Complexity: O(1)
# Space Complexity: O(1)

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# Space Complexity: ?
# Time Complexity: O(n)
# Space Complexity: O(1)
def search(self, value):

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# Space Complexity: ?
# Time Complexity: O(n)
# Space Complexity: O(1)
def length(self):

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# Space Complexity: ?
# Time Complexity: O(n)
# Space Complexity: O(1)
def delete(self, value):

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# Space Complexity: ?
# Time Complexity: O(n)
# Space Complexity: O(1)
def visit(self):

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# Space Complexity: ?
# Time Complexity: O(n)
# Space Complexity: O(1)
def reverse(self):

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# Space Complexity: ?
# Time Complexity: O(n)
# Space Complexity: O(1)
def find_middle_value(self):

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# Space Complexity: ?
# Time Complexity: O(n)
# Space Complexity: O(1)
def find_nth_from_end(self, n):

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2 participants