Create library management system in python

python/Library_Management_System.py

@@ -0,0 +1,77 @@
+'''
+In this LMS,
+            there are  4 basic function that is 
+            1. Display_Book
+            2. Lend_Book
+            3. Add_Book
+            4. Remove_Book
+
+'''
+import sys
+class LMS:
+    def __init__(self,book_list,book_name):
+        self.book_list = book_list
+        self.book_name = book_name
+        self.book_dict = {}
+
+    def display_availableBook(self):
+        print(f"We have a following books in our library :{self.book_name}")
+        print("The books that are available to us are:\t")
+        for book in self.book_list:
+            print(book)
+    def lend_book(self,Lender_name,book):
+        if book not in self.book_dict.keys():
+            self.book_dict.update({book:Lender_name})
+            if book in self.book_list:
+                print("Lender of book information has been updated.\t\n You can lend the book now")
+            else:
+                print("Sorry!\n\tThis book is't available in our library at this moment.")
+        else:
+            print(f"The book has already taken by {self.book_dict[book]}")
+    def add_book(self,book):
+        self.book_list.append(book)
+        print(f"{book} book has been added in book_list")
+
+    def return_book(self,book):
+        self.book_dict.pop(book)
+        print(f"{book} has been removed from book_dictionary")
+
+Safeer = LMS(["English","Applied Physics","ICT","MS","AR","IA","Programming fundamental","DS","OOP"], 'APPSOUL Library Bahawalpur')
+while True:
+    print(f"Hello SIr!\n\tWelcome to the {Safeer.book_name}. Please Enter your choice that you wanna do... ")
+    print("""
+            =======LIBRARY MENU ==========
+    1. Display Book
+    2. Lend Book
+    3. Add Book
+    4. Return Book
+    5. exit
+
+    """)
+    Choice = int(input("Enter the corresponding function  number :\t"))
+    if Choice ==1:
+        Safeer.display_availableBook()
+    elif Choice ==2:
+        Lender_name = input("Enter the name of lender of book :\t")
+        book = input("Enter the book name that a lender is lending :\t")
+        Safeer.lend_book(Lender_name, book)
+    elif Choice ==3:
+        book = input("enter the name of a book :\t")
+        Safeer.add_book(book)
+    elif Choice ==4:
+        book = input("Enter the name of book:\t")
+        Safeer.return_book(book)
+    elif Choice == 5:
+        sys.exit()
+    else:
+        print("Warning\t\nYou enter the invalid input!")
+    abc = input("Enter 'Y' for continue the function & 'N' for exit the function :\t ")
+    abc = abc.upper()
+    if abc == 'Y':
+        continue
+    elif abc == 'N':
+        print("Thanks Sir for visiting out LMS\n Have a Nice Day.")
+        exit()
+    else:
+        print("You enter the invalid input: \t")
+main()