How to add sorting algorithm and other data structure algorithm in this project? Programming Language: Python # --- Python Mini Project - Library Management System ----- # Create list_of_books.txt file # List of books : ------code---- import datetime import os os.getcwd() class LMS: """ This class is used to keep records of books library. It has total four modules: 'Display Books', 'Lend Books', 'Add Books', 'Return Books' 'list_of_books' should be txt file. 'library_name' should be string. """ def __init__(self, list_of_books, library_name): self.list_of_books = "list_of_books.txt" self.library_name = library_name self.books_dict = {} id = 101 with open(self.list_of_books) as b: content = b.readlines() for line in content: self.books_dict.update({str(id):{'books_title':line.replace("\n",""),'lender_name':'','lend_date':'', 'status':'Available'}}) id += 1 def display_books(self): print("------------------------List of Books---------------------") print("Books ID","\t", "Title") print("----------------------------------------------------------") for key, value in self.books_dict.items(): print(key,"\t\t", value.get("books_title"), "- [", value.get("status"),"]") def Issue_books(self): books_id = input("Enter Books ID : ") current_date = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S") if books_id in self.books_dict.keys(): if not self.books_dict[books_id]['status'] == 'Available': print(f"This book is already issued to {self.books_dict[books_id]['lender_name']} on {self.books_dict[books_id]['lend_date']}") return self.lend_books() elif self.books_dict[books_id]['status'] == 'Available': your_name = input("Enter Your Name : ") self.books_dict[books_id]['lender_name'] = your_name self.books_dict[books_id]['lend_date'] = current_date self.books_dict[books_id]['status']= 'Already Issued' print("Book Issued Successfully !!!\n") else: print("Book ID Not Found !!!") return self.Issue_books() def add_books(self): new_books = input("Enter Books Title : ") if new_books == "": return self.add_books() elif len(new_books) > 20: print("Books title length is too long !!! Title length limit is 20 characters") return self.add_books() else: with open(self.list_of_books, "a") as b: b.writelines(f"{new_books}\n") self.books_dict.update({str(int(max(self.books_dict))+1):{'books_title':new_books,'lender_name':'','lend_date':'', 'status':'Available'}}) print(f"The books '{new_books}' has been added successfully !!!") def return_books(self): books_id = input("Enter Books ID : ") if books_id in self.books_dict.keys(): if self.books_dict[books_id]['status'] == 'Available': print("This book is already available in library. Please check book id. !!! ") return self.return_books() elif not self.books_dict[books_id]['status'] == 'Available': self.books_dict[books_id]['lender_name'] = '' self.books_dict[books_id]['lend_date'] = '' self.books_dict[books_id]['status']= 'Available' print("Successfully Updated !!!\n") else: print("Book ID Not Found !!!") if __name__ == "__main__": try: mylms = LMS("list_of_books.txt", "Python's") press_key_list = {"D": "Display Books", "I": "Issue Books", "A": "Add Books", "R": "Return Books", "Q": "Quit"} key_press = False while not (key_press == "q"): print(f"\n----------Welcome To {mylms.library_name}'s Library Management System---------\n") for key, value in press_key_list.items(): print("Press", key, "To", value) key_press = input("Press Key : ").lower() if key_press == "i": print("\nCurrent Selection : ISSUE BOOK\n") mylms.Issue_books() elif key_press == "a": print("\nCurrent Selection : ADD BOOK\n") mylms.add_books() elif key_press == "d": print("\nCurrent Selection : DISPLAY BOOKS\n") mylms.display_books() elif key_press == "r": print("\nCurrent Selection : RETURN BOOK\n") mylms.return_books() elif key_press == "q": break else: continue except Exception as e: print("Something went wrong. Please check. !!!")

How to add sorting algorithm and other data structure algorithm in this project? Programming Language: Python # --- Python Mini Project - Library Management System ----- # Create list_of_books.txt file # List of books : ------code---- import datetime import os os.getcwd() class LMS: """ This class is used to keep records of books library. It has total four modules: 'Display Books', 'Lend Books', 'Add Books', 'Return Books' 'list_of_books' should be txt file. 'library_name' should be string. """ def init(self, list_of_books, library_name): self.list_of_books = "list_of_books.txt" self.library_name = library_name self.books_dict = {} id = 101 with open(self.list_of_books) as b: content = b.readlines() for line in content: self.books_dict.update({str(id):{'books_title':line.replace("\n",""),'lender_name':'','lend_date':'', 'status':'Available'}}) id += 1 def display_books(self): print("------------------------List of Books---------------------") print("Books ID","\t", "Title") print("----------------------------------------------------------") for key, value in self.books_dict.items(): print(key,"\t\t", value.get("books_title"), "- [", value.get("status"),"]") def Issue_books(self): books_id = input("Enter Books ID : ") current_date = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S") if books_id in self.books_dict.keys(): if not self.books_dict[books_id]['status'] == 'Available': print(f"This book is already issued to {self.books_dict[books_id]['lender_name']} on {self.books_dict[books_id]['lend_date']}") return self.lend_books() elif self.books_dict[books_id]['status'] == 'Available': your_name = input("Enter Your Name : ") self.books_dict[books_id]['lender_name'] = your_name self.books_dict[books_id]['lend_date'] = current_date self.books_dict[books_id]['status']= 'Already Issued' print("Book Issued Successfully !!!\n") else: print("Book ID Not Found !!!") return self.Issue_books() def add_books(self): new_books = input("Enter Books Title : ") if new_books == "": return self.add_books() elif len(new_books) > 20: print("Books title length is too long !!! Title length limit is 20 characters") return self.add_books() else: with open(self.list_of_books, "a") as b: b.writelines(f"{new_books}\n") self.books_dict.update({str(int(max(self.books_dict))+1):{'books_title':new_books,'lender_name':'','lend_date':'', 'status':'Available'}}) print(f"The books '{new_books}' has been added successfully !!!") def return_books(self): books_id = input("Enter Books ID : ") if books_id in self.books_dict.keys(): if self.books_dict[books_id]['status'] == 'Available': print("This book is already available in library. Please check book id. !!! ") return self.return_books() elif not self.books_dict[books_id]['status'] == 'Available': self.books_dict[books_id]['lender_name'] = '' self.books_dict[books_id]['lend_date'] = '' self.books_dict[books_id]['status']= 'Available' print("Successfully Updated !!!\n") else: print("Book ID Not Found !!!") if name == "main": try: mylms = LMS("list_of_books.txt", "Python's") press_key_list = {"D": "Display Books", "I": "Issue Books", "A": "Add Books", "R": "Return Books", "Q": "Quit"} key_press = False while not (key_press == "q"): print(f"\n----------Welcome To {mylms.library_name}'s Library Management System---------\n") for key, value in press_key_list.items(): print("Press", key, "To", value) key_press = input("Press Key : ").lower() if key_press == "i": print("\nCurrent Selection : ISSUE BOOK\n") mylms.Issue_books() elif key_press == "a": print("\nCurrent Selection : ADD BOOK\n") mylms.add_books() elif key_press == "d": print("\nCurrent Selection : DISPLAY BOOKS\n") mylms.display_books() elif key_press == "r": print("\nCurrent Selection : RETURN BOOK\n") mylms.return_books() elif key_press == "q": break else: continue except Exception as e: print("Something went wrong. Please check. !!!")

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ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

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Question

How to add sorting algorithm and other data structure algorithm in this project?
Programming Language: Python

# --- Python Mini Project - Library Management System -----

# Create list_of_books.txt file

# List of books :

------code----

import datetime

import os

os.getcwd()

class LMS:

"""

This class is used to keep records of books library.

It has total four modules: 'Display Books', 'Lend Books', 'Add Books', 'Return Books'

'list_of_books' should be txt file. 'library_name' should be string.

"""

def __init__(self, list_of_books, library_name):

self.list_of_books = "list_of_books.txt"

self.library_name = library_name

self.books_dict = {}

id = 101

with open(self.list_of_books) as b:

content = b.readlines()

for line in content:

self.books_dict.update({str(id):{'books_title':line.replace("\n",""),'lender_name':'','lend_date':'', 'status':'Available'}})

id += 1

def display_books(self):

print("------------------------List of Books---------------------")

print("Books ID","\t", "Title")

print("----------------------------------------------------------")

for key, value in self.books_dict.items():

print(key,"\t\t", value.get("books_title"), "- [", value.get("status"),"]")

def Issue_books(self):

books_id = input("Enter Books ID : ")

current_date = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")

if books_id in self.books_dict.keys():

if not self.books_dict[books_id]['status'] == 'Available':

print(f"This book is already issued to {self.books_dict[books_id]['lender_name']} on {self.books_dict[books_id]['lend_date']}")

return self.lend_books()

elif self.books_dict[books_id]['status'] == 'Available':

your_name = input("Enter Your Name : ")

self.books_dict[books_id]['lender_name'] = your_name

self.books_dict[books_id]['lend_date'] = current_date

self.books_dict[books_id]['status']= 'Already Issued'

print("Book Issued Successfully !!!\n")

else:

print("Book ID Not Found !!!")

return self.Issue_books()

def add_books(self):

new_books = input("Enter Books Title : ")

if new_books == "":

return self.add_books()

elif len(new_books) > 20:

print("Books title length is too long !!! Title length limit is 20 characters")

return self.add_books()

else:

with open(self.list_of_books, "a") as b:

b.writelines(f"{new_books}\n")

self.books_dict.update({str(int(max(self.books_dict))+1):{'books_title':new_books,'lender_name':'','lend_date':'', 'status':'Available'}})

print(f"The books '{new_books}' has been added successfully !!!")

def return_books(self):

books_id = input("Enter Books ID : ")

if books_id in self.books_dict.keys():

if self.books_dict[books_id]['status'] == 'Available':

print("This book is already available in library. Please check book id. !!! ")

return self.return_books()

elif not self.books_dict[books_id]['status'] == 'Available':

self.books_dict[books_id]['lender_name'] = ''

self.books_dict[books_id]['lend_date'] = ''

self.books_dict[books_id]['status']= 'Available'

print("Successfully Updated !!!\n")

else:

print("Book ID Not Found !!!")

if __name__ == "__main__":

try:

mylms = LMS("list_of_books.txt", "Python's")

press_key_list = {"D": "Display Books", "I": "Issue Books", "A": "Add Books", "R": "Return Books", "Q": "Quit"}

key_press = False

while not (key_press == "q"):

print(f"\n----------Welcome To {mylms.library_name}'s Library Management System---------\n")

for key, value in press_key_list.items():

print("Press", key, "To", value)

key_press = input("Press Key : ").lower()

if key_press == "i":

print("\nCurrent Selection : ISSUE BOOK\n")

mylms.Issue_books()

elif key_press == "a":

print("\nCurrent Selection : ADD BOOK\n")

mylms.add_books()

elif key_press == "d":

print("\nCurrent Selection : DISPLAY BOOKS\n")

mylms.display_books()

elif key_press == "r":

print("\nCurrent Selection : RETURN BOOK\n")

mylms.return_books()

elif key_press == "q":

break

else:

continue

except Exception as e:

print("Something went wrong. Please check. !!!")

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I think you forgot to add the insertion function in the code that you provided. The books still display unsorted.

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Follow-up Question

Regarding to queue and dequeue, I tried adding the code given but it seems like once the book id is returned, the book id is still present in the queue list when I tried to debug. Also, the insertion sort given function is not working.

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Follow-up Question

Implement queue and dequeue in this program.

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Is it possible to implement insertion sort?

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