WordProc

class WordProcessor:
    def __init__(self):
        self.document = ""
        self.filename = None

    def create_document(self):
        self.document = ""
        self.filename = None
        print("New document created.")

    def open_document(self, filename):
        try:
            with open(filename, "r") as file:
                self.document = file.read()
                self.filename = filename
            print(f"Document '{filename}' opened.")
        except FileNotFoundError:
            print("File not found. Please make sure the file exists.")

    def save_document(self):
        if self.filename:
            with open(self.filename, "w") as file:
                file.write(self.document)
            print(f"Document saved as '{self.filename}'.")
        else:
            print("Please save the document with a filename using 'save_as'.")

    def save_document_as(self, filename):
        self.filename = filename
        self.save_document()

    def edit_document(self):
        print("Start editing the document. Type 'exit' on a new line to finish.")
        while True:
            line = input()
            if line == "exit":
                break
            self.document += line + "\n"

    def format_text(self):
        print("Format options: bold, italic, underline, align_left, align_right, align_center")
        option = input("Enter the format option: ").strip()

        if option == "bold":
            self.document = f"**{self.document.strip()}**"
        elif option == "italic":
            self.document = f"*{self.document.strip()}*"
        elif option == "underline":
            self.document = f"__{self.document.strip()}__"
        elif option == "align_left":
            self.document = self.document.lstrip()
        elif option == "align_right":
            self.document = self.document.rstrip()
        elif option == "align_center":
            self.document = self.document.center(80)
        else:
            print("Invalid format option.")

    def print_document(self):
        print("\n" + self.document + "\n")

    def run(self):
        print("Welcome to Simple Word Processor!")
        while True:
            print("Options: create, open, save, save_as, edit, format, print, exit")
            command = input("Enter a command: ").strip()

            if command == "create":
                self.create_document()
            elif command == "open":
                filename = input("Enter the filename to open: ").strip()
                self.open_document(filename)
            elif command == "save":
                self.save_document()
            elif command == "save_as":
                filename = input("Enter the filename to save as: ").strip()
                self.save_document_as(filename)
            elif command == "edit":
                self.edit_document()
            elif command == "format":
                self.format_text()
            elif command == "print":
                self.print_document()
            elif command == "exit":
                break
            else:
                print("Invalid command. Try again.")


if __name__ == "__main__":
    wp = WordProcessor()
    wp.run()