class Node def init ( self , filename, date time ) self filename filename self date time date time self next None class LinkedList def init ( self ) self head None def insert ( self , filename, date time ) new node Node ( filename , date time ) if self head is None or self head date time date time new node next self head self head new node else current self head while current next and current next date time date time current current next new node next current next current next new node def print list ( self ) current self head while current print ( current filename ) current current next def display menu ( ) print ( Menu ) print ( 1 View patient visit list ) print ( 2 Add new patient visit ) print ( 3 Exit ) def add new visit ( linked list ) patient input ( Enter patient name ) date time input ( Enter visit date and time ( YYYYMMDD HHMM ) ) filename f patient date time linked list insert ( filename , date time ) print ( New patient visit added ) def main ( ) Simulated data patients visits ( Alice , 2 0 2 3 0 5 2 0 0 9 3 0 ) , ( Bob , 2 0 2 3 0 5 2 1 1 0 3 0 ) , ( Alice , 2 0 2 3 0 5 2 2 1 1 0 0 ) , ( Charlie , 2 0 2 3 0 5 2 2 1 1 3 0 ) , ( David , 2 0 2 3 0 5 2 3 1 2 3 0 ) , ( Eve , 2 0 2 3 0 5 2 4 1 3 3 0 ) , ( Alice , 2 0 2 3 0 5 2 4 1 4 3 0 ) , ( Frank , 2 0 2 3 0 5 2 5 1 5 3 0 ) , ( George , 2 0 2 3 0 5 2 6 1 6 3 0 ) , ( Henry , 2 0 2 3 0 5 2 7 1 7 3 0 ) , ( Ivy , 2 0 2 3 0 5 2 8 1 8 3 0 ) , ( Jack , 2 0 2 3 0 5 2 9 1 9 3 0 ) , ( Bob , 2 0 2 3 0 5 3 0 2 0 3 0 ) , ( Charlie , 2 0 2 3 0 6 0 1 2 1 3 0 ) , ( Bob , 2 0 2 3 0 6 0 2 2 2 3 0 ) , Create linked list and add data ll LinkedList ( ) for patient, datetime in patients visits filename f patient datetime ll insert ( filename , datetime ) while True display menu ( ) choice input ( Enter your choice ) if choice ' 1 ' print ( List of patient visit filenames ) ll print list ( ) elif choice ' 2 ' add new visit ( ll ) elif choice ' 3 ' print ( Exiting the program ) break else print ( Invalid choice Please try again ) if name main main ( ) , add comments and explanation for every line of code

Question

class Node  def     init     ( self , filename, date   time )   self filename   filename self date   time   date   time self next   None class LinkedList  def     init     ( self )   self head   None def insert ( self , filename, date   time )   new   node   Node ( filename , date   time ) if self head is None or self head date   time   date   time  new   node next   self head self head   new   node else  current   self head while current next and current next date   time   date   time  current   current next new   node next   current next current next   new   node def print   list ( self )   current   self head while current  print ( current   filename ) current   current next def display   menu ( )   print (   Menu   ) print (   1   View patient visit list  ) print (   2   Add new patient visit  ) print (   3   Exit  ) def add   new   visit ( linked   list )   patient   input (   Enter patient name    ) date   time   input (   Enter visit date and time ( YYYYMMDD   HHMM )     ) filename   f     patient       date   time     linked   list insert ( filename , date   time ) print (   New patient visit added   ) def main ( )     Simulated data patients   visits     (   Alice   ,   2 0 2 3 0 5 2 0   0 9 3 0   ) , (   Bob   ,   2 0 2 3 0 5 2 1   1 0 3 0   ) , (   Alice   ,   2 0 2 3 0 5 2 2   1 1 0 0   ) , (   Charlie   ,   2 0 2 3 0 5 2 2   1 1 3 0   ) , (   David   ,   2 0 2 3 0 5 2 3   1 2 3 0   ) , (   Eve   ,   2 0 2 3 0 5 2 4   1 3 3 0   ) , (   Alice   ,   2 0 2 3 0 5 2 4   1 4 3 0   ) , (   Frank   ,   2 0 2 3 0 5 2 5   1 5 3 0   ) , (   George   ,   2 0 2 3 0 5 2 6   1 6 3 0   ) , (   Henry   ,   2 0 2 3 0 5 2 7   1 7 3 0   ) , (   Ivy   ,   2 0 2 3 0 5 2 8   1 8 3 0   ) , (   Jack   ,   2 0 2 3 0 5 2 9   1 9 3 0   ) , (   Bob   ,   2 0 2 3 0 5 3 0   2 0 3 0   ) , (   Charlie   ,   2 0 2 3 0 6 0 1   2 1 3 0   ) , (   Bob   ,   2 0 2 3 0 6 0 2   2 2 3 0   ) ,     Create linked list and add data ll   LinkedList ( ) for patient, datetime in patients   visits  filename   f     patient       datetime     ll   insert ( filename , datetime ) while True  display   menu ( ) choice   input (   Enter your choice    ) if choice     ' 1 '   print (   List of patient visit filenames   ) ll   print   list ( ) elif choice     ' 2 '   add   new   visit ( ll ) elif choice     ' 3 '   print (   Exiting the program   ) break else  print (   Invalid choice  Please try again   ) if     name               main         main ( ) , add comments and explanation for every line of code

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Question

class Node: def _ _ init _ _ ( self , filename, date _ time ) : self.filename = filename self.date _ time = date

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