Tell us what’s happening:
estoy por terminar el certificado de python y tengo problemas con el codigo en paso 18 y no paso desde ahi me marca error de asignacion de la funcion y no carga que marca error que no aparece la funcion y lo pongo marca igual
Your code so far
# User Editable Region
class LinkedList:
class Node:
def __init__(self, element):
self.element = element
self.next = None
def __init__(self):
self.length = 0
self.head = None
def is_empty(self):
return self.length == 0
def add(self, element):
node = self.Node(element)
if self.is_empty():
self.head = node
else:
current_node = self.head
while current_node.next is not None:
current_node = current_node.next
current_node.next = node
self.length += 1
def remove(self, element):
previous_node = None
current_node = self.head
while current_node is not None and current_node.element != element:
previous_node = current_node
current_node = current_node.next
if current_node is None:
return False
if previous_node is None:
self.head = current_node.next
else:
previous_node.next = current_node.next
self.length -= 1
return True
my_list = LinkedList()
print(my_list.is_empty())
my_list.add(1)
my_list.add(2)
print(my_list.is_empty())
print(my_list.length)
my_list.remove(1)
print(my_list.length)
my_list.remove(2)
print(my_list.length)
# User Editable Region
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Challenge Information:
Build a Linked List - Step 18