32 lines
881 B
Python
32 lines
881 B
Python
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class Node:
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# Initializes this node with the specified numerical data value, next
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# pointer, and previous pointer.
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def __init__(self, initial_data, next_node=None, previous_node=None):
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self.data = initial_data
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self.next = next_node
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self.previous = previous_node
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# Returns this node's data.
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def get_data(self):
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return self.data
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# Sets this node's data.
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def set_data(self, new_data):
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self.data = new_data
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# Gets this node's next pointer.
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def get_next(self):
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return self.next
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# Sets this node's next pointer.
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def set_next(self, new_next):
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self.next = new_next
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# Gets this node's previous pointer.
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def get_previous(self):
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return self.previous
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# Sets this node's previous pointer.
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def set_previous(self, new_previous):
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self.previous = new_previous
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