Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Operations of Linked List
A linked lists are one of the most widely used and effective data structures, with applications in every programming language, including C, C++, Python, Java, and C#.
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Linked Lists class Link: empty = () def 1 init__(self, first, rest-empty): assert rest is Link.empty or isinstance(rest, Link) Linked Lists: Write a recursive function flip_two that takes as input a linked list Ink and mutates Ink so that every pair is flipped. self.first = first self.rest = rest def flip_two(lnk): nun >>> one_lnk Link(1) >>> flip_two (one_lnk) >>> #one_Ink should look like: Link (1) >>> Ink = Link(1, Link(2, Link (3, Link (4, Link(5))))) >>> flip_two(lnk) >>> #Ink should look like: Link (2, Link(1, Link(4, Link (3, Link (5))))) 11 11 11 @ 2 3 $ 4 D 1 1 1974 197 F4 ve d well done but 2012 PETENZION % 5 elemen mentale Chistes envel Mary A ATETORA Kame Bran REALIKE ATT INTERAZ esame me k 6 F7 & 7 Prisen FB 8 Home End
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Transcribed Image Text:Linked Lists class Link: empty = () def 1 init__(self, first, rest-empty): assert rest is Link.empty or isinstance(rest, Link) Linked Lists: Write a recursive function flip_two that takes as input a linked list Ink and mutates Ink so that every pair is flipped. self.first = first self.rest = rest def flip_two(lnk): nun >>> one_lnk Link(1) >>> flip_two (one_lnk) >>> #one_Ink should look like: Link (1) >>> Ink = Link(1, Link(2, Link (3, Link (4, Link(5))))) >>> flip_two(lnk) >>> #Ink should look like: Link (2, Link(1, Link(4, Link (3, Link (5))))) 11 11 11 @ 2 3 $ 4 D 1 1 1974 197 F4 ve d well done but 2012 PETENZION % 5 elemen mentale Chistes envel Mary A ATETORA Kame Bran REALIKE ATT INTERAZ esame me k 6 F7 & 7 Prisen FB 8 Home End
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