# create an instance of the User class and call the view_received_message method to view messages sent to user reply_messages = Message(username, receiver, username, password1, "sample_content") reply_messages.view_users_of_sent_message() # pick value from file saved in the class method confirm_user_file = open("value.txt", "r") confirmed_user = confirm_user_file.readline() if confirmed_user == "successful": # proceed to reply message receiver = input( "\nWho's message are you replying? \n") content = input("Write message: \n") new_message = Message(username, receiver, sender, password1, content) new_message.reply_message( ) #calling the reply message function new_message.display_sent_message() choice1 = str( input( "\nChoose next action: \n1 >> View all Users\n2 >> View Users Online\n3 >> Send a message\n4 >> View my messages \n5 >> Reply a message\n0 >> Log Out\n" )) else: # if a user has not been sent a message print("\nNo message to reply") choice1 = str( input( "\nChoose next action: \n1 >> View all Users\n2 >> View Users Online\n3 >> Send a message\n4 >> View my messages \n5 >> Reply a message\n0 >> Logout\n" )) elif choice1 == "0":