Pre-Release Code

Task 1.1

TYPE Book
	DECLARE Id: INTEGER 100...999
	DECLARE Title: STRING
	DECLARE Author: STRING
	DECLARE YearPublished: INTEGER
ENDTYPE

Task 1.2.py

class Book:
    def __init__(self, book_id, title, author, year_published):
        self.book_id = book_id # INTEGER
        self.title = title # STRING
        self.author = author # STRING
        self.year_published = year_published # INTEGER
        
N = 1 # INTEGER
MIN_ID = 100 # INTEGER
MAX_ID = 999 # INTEGER
        
if __name__ == "__main__":
    books = [] # Array [1:10] OF BOOK
    
    # Input The Data
    
    for i in range(N):
        print("Book #" + str(i + 1))
        
        valid_id = False
        while not valid_id:
            try:
                book_id = int(input("Enter Book ID: "))
                if not book_id in range(MIN_ID, MAX_ID + 1):
                    raise ValueError()
                valid_id = True
            except ValueError:
                print("Please enter a valid ID between", MIN_ID, "and", MAX_ID, "(inclusive).")
    
        title = input("Enter Book Title: ")
        
        author = input("Enter Book Author: ")
        
        valid_year = False
        while not valid_year:
            try:
                year_published = int(input("Enter Book's Year of Publication: "))
                valid_year = True
            except ValueError:
                print("Please enter a valid year.")
        
        book = Book(book_id, title, author, year_published)
        books.append(book)
                
    # Output The Data
    
    for book in books:
        print(book.title + " (ID: " + str(book.book_id) + "), by " + book.author + " (" + str(book.year_published) + ")")
        

Task 1.3

CONSTANT DELIMETER = '|'

PROCEDURE SaveBooks(Books: Array[1:10] OF Book, Path: STRING)
  DECLARE OutFile: FILE
  DECLARE Index: INTEGER
  DECLARE CurrentBook: Book
  DECLARE Line: STRING

  OPENFILE Path, OutFile FOR WRITE
  
  FOR Index <-- 1 TO 10
      CurrentBook <-- Books[Index]
      Line <-- CurrentBook.Id + DELIMETER + CurrentBook.Title + DELIMETER + CurrentBook.Author + DELIMETER + CurrentBook.Published 
      WRITEFILE OutFile, Line
  ENDFOR

  CLOSEFILE OutFile

ENDPROCEDURE

Task 1.3.py

DELIMETER = '|' # CHAR
N = 10 # INTEGER

def save_books(books, path): # books: Array[1:10] OF Book, path: STRING
    file = open(path, "w") # FILE
    
    for i in range(10):
        current_book = books[i]
        line = str(book.book_id) + DELIMETER + book.title + DELIMETER + book.author + DELIMETER + str(book.year_published) + '\n'
        file.write(line)
        
    file.close()

Task 1.4

CONSTANT DELIMETER = '|'

PROCEDURE PrintBookFile(Path: STRING)

    

ENDPROCEDURE