This is my code for a Mario game in python could someone add some function to it where Mario can move and you can control him with arrows. Thank you

# Import the Pygame module import pygame import sys # Initialize Pygame pygame.init$()$ # Screen dimensions SCREEN$\_$WIDTH $=800$ SCREEN$\_$HEIGHT $=600$ # Colors WHITE $=(255,255,255)$ BLACK $=(0,0,0)$ BLUE $=(0,0,255)$ # Set up the screen screen $=$ pygame.display.set$\_$mode$(($SCREEN$\_$WIDTH, SCREEN$\_$HEIGHT$))$ pygame.display.set$\_$caption$("$Mario Game $-$ Title Screen"$)$ # Load a font font $=$ pygame.font.SysFont$("$Arial$",40)$ small$\_$font $=$ pygame.font.SysFont$("$Arial$",25)$ # Main loop for the title screen def title$\_$screen$()$: running $=$ True while running: # Fill the background with a color screen.fill$($BLUE$)$ # Title text title$\_$text $=$ font.render$("$Mario Game", True, WHITE$)$ text$\_$rect $=$ title$\_$text.get$\_$rect$($center$=($SCREEN$\_$WIDTH $//2,$ SCREEN$\_$HEIGHT $//3))$ screen.blit$($title$\_$text, text$\_$rect$)$ # Instruction text instruction$\_$text $=$ small$\_$font.render$("$Press ENTER to Start", True, WHITE$)$ instruction$\_$rect $=$ instruction$\_$text.get$\_$rect$($center$=($SCREEN$\_$WIDTH $//2,$ SCREEN$\_$HEIGHT $//2))$ screen.blit$($instruction$\_$text, instruction$\_$rect$)$ # Check for events for event in pygame.event.get$()$: if event.type $==$ pygame.QUIT: pygame.quit$()$ sys$.$exit$()$ if event.type $==$ pygame.KEYDOWN: if event.key $==$ pygame.K$\_$RETURN: # Start game on Enter key running $=$ False # Update the screen pygame.display.flip$()$ # Run the title screen title$\_$screen$()$ # Placeholder for the main game logic print$("$Game starts here!"$)$ # This will print when the user presses Enter pygame.quit$()$