first commit

functions/get_set_Book.py

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+def get_Books(book_list):
+    print("Available books:")
+    print("Book_ID: ", "Book_Name")
+    for book in book_list:
+        print(f"{book['id']}: {book['name']}")
+
+def set_Book(book_list):
+    while True:
+        try:
+            book_to_backup = int(input("Enter the book ID to backup: "))
+            if any(book['id'] == book_to_backup for book in book_list):
+                return book_to_backup
+            else:
+                print("Invalid book ID, please try again.")
+        except ValueError:
+            print("Please enter a valid number.")