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class Node(object):
def __init__(self, value=None, next=None):
self.value = value
self.next = next
def __repr__(self):
result = []
node = self
while node:
result.append(str(node.value))
node = node.next
return 'LinkedList({xs})'.format(xs=', '.join(result))
def from_list(xs):
head = Node(xs[0])
node = head
for x in xs[1:]:
node.next = Node(x)
node = node.next
return head
list = from_list(['A', 'B', 'C'])
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