Linked List Values Approach

In this lesson, Alvin explores the strategy to solving the following interview problem:

Write a function, linked_list_values, that takes in the head of a linked list as an argument. The function should return a list containing all values of the nodes in the linked list.

a = Node("a")
b = Node("b")
c = Node("c")
d = Node("d")
a.next = b
b.next = c
c.next = d

# a -> b -> c -> d

linked_list_values(a) # -> [ 'a', 'b', 'c', 'd' ]

x = Node("x")
y = Node("y")
x.next = y

# x -> y

linked_list_values(x) # -> [ 'x', 'y' ]

q = Node("q")

# q

linked_list_values(q) # -> [ 'q' ]

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