def _move_front_to_rear(self, source): Private helper method. Moves the front node from source to the rear of self. Does *not validate that self is still a set. Use: self. move_front_to_rear(source) Parameters: source - a non-empty Deque_Set (Deque_Set) self contains the old front of source as its rear. source front is updated. The counts of self and source are updated. assert source._front is not None, "Cannot move the front of an empty Deque Set" # your code here return

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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A linked Deque Set is a set that, like a linked Deque, is made up of double-linked nodes, i.e. each node is linked to the node before it (_prev) and the node following it (_next). Because it is a set,
values may appear only once in the data structure.
Transcribed Image Text:A linked Deque Set is a set that, like a linked Deque, is made up of double-linked nodes, i.e. each node is linked to the node before it (_prev) and the node following it (_next). Because it is a set, values may appear only once in the data structure.
def _move_front_to_rear(self, source):
Private helper method.
Moves the front node from source to the rear of self.
Does *not* val idate that self is still a set.
Use: self. move_front_to_rear(source)
Parameters:
source - a non-empty Deque_Set (Deque_Set)
self contains the old front of source as its rear.
source front is updated. The counts of self and source are updated.
assert source._front is not None, \
"Cannot move the front of an empty Deque_Set"
# your code here
return
Transcribed Image Text:def _move_front_to_rear(self, source): Private helper method. Moves the front node from source to the rear of self. Does *not* val idate that self is still a set. Use: self. move_front_to_rear(source) Parameters: source - a non-empty Deque_Set (Deque_Set) self contains the old front of source as its rear. source front is updated. The counts of self and source are updated. assert source._front is not None, \ "Cannot move the front of an empty Deque_Set" # your code here return
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