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"""
breadFirstSearch method traverses a tree using
the Breadth-first search approach storing
its node values in an array and then
returns the resulting array.
"""
class Node:
def __init__(self, value):
self.value = value
self.children = []
def breadFirstSearch(self, array):
queue = [self]
while len(queue) > 0:
current = queue.pop(0)
array.append(current.value)
for child in current.children:
queue.append(child)
return array
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