def main_screen():
        # creating input rectangle
        active_text_rect_1 = False
        active_text_rect_2 = False
        range_max_input_rect = pygame.Rect(280, 375, 50, 30)
        answer_input_rect = pygame.Rect(280, 575, 50, 30)
        input_font = pygame.font.Font('PKMN RBYGSC.ttf', 20)
        user_text_input_range_max = ""
        user_text_input_guess = ""

        # necessary text
        title_text = main_font.render('Wheel Of Monotony', True, pygame.Color('black'))
        max_range_input_request_text_1 = description_font.render("In the box below, please enter what you would like",
                                                                  True, pygame.Color('black'))
        max_range_input_request_text_2 = description_font.render("the max. of the range you have to guess to be:", True,
                                                                  pygame.Color('black'))
        guess_input_request_text_1 = description_font.render("In the box below, please enter what you would think",
                                                             True, pygame.Color('black'))
        guess_input_request_text_2 = description_font.render("the number I'm thinking of is: ", True, pygame.Color('black'))
        color_active_rect_1 = pygame.Color('black')
        color_active_rect_2 = pygame.Color('black')
        color_passive_rect_1 = pygame.Color('white')
        color_passive_rect_2 = pygame.Color('white')
        color_for_rect_1 = color_passive_rect_1
        color_for_rect_2 = color_passive_rect_2

        while True:
            # puts the background variable into the BG of the screen
            screen.blit(background_image, [0, 0])

            # text showing
            screen.blit(title_text, (75, 200))
            screen.blit(max_range_input_request_text_1, (75, 275))
            screen.blit(max_range_input_request_text_2, (75, 290))
            screen.blit(guess_input_request_text_1, (75, 500))
            screen.blit(guess_input_request_text_2, (75, 525))

            # handling events
            for event in pygame.event.get():
                if event.type == pygame.QUIT:
                    pygame.quit()
                    sys.exit()

                # if selected/hovering over the box, it changes color
                if event.type == pygame.MOUSEBUTTONDOWN:
                    if range_max_input_rect.collidepoint(event.pos):
                        active_text_rect_1 = True
                    if answer_input_rect.collidepoint(event.pos):
                        active_text_rect_2 = True
                    else:
                        active_text_rect_1 = False
                        active_text_rect_2 = False

                if event.type == pygame.KEYDOWN:
                    # Check for backspace
                    if event.key == pygame.K_BACKSPACE:
                        # get text input from 0 to -1 i.e. end.
                        user_text_input_range_max = user_text_input_range_max[:-1]
                        user_text_input_guess = user_text_input_guess[:-1]

                    # Unicode standard is used for string formation
                    else:
                        user_text_input_range_max += event.unicode
                        user_text_input_guess += event.unicode

            # draw rectangle and argument passed which should be on screen
            if active_text_rect_1:
                color_for_rect_1 = color_active_rect_1
            else:
                color_for_rect_1 = color_passive_rect_1

            if active_text_rect_2:
                color_for_rect_2 = color_active_rect_2
            else:
                color_for_rect_2 = color_passive_rect_2

            # drawing rect 1
            pygame.draw.rect(screen, color_for_rect_1, range_max_input_rect)
            text_surface_range_max = input_font.render(user_text_input_range_max, True, pygame.Color('white'))

            # drawing rect 2
            pygame.draw.rect(screen, color_for_rect_2, answer_input_rect)
            text_surface_guess_input = input_font.render(user_text_input_guess, True, pygame.Color('white'))

            # render at position stated in arguments
            screen.blit(text_surface_range_max, (range_max_input_rect.x + 18, range_max_input_rect.y + 5))
            screen.blit(text_surface_guess_input, (answer_input_rect.x + 18, answer_input_rect.y + 5))

            # set width of textfield so that text cannot get outside of user's text input
            range_max_input_rect.w = max(75, 10)
            answer_input_rect.w = max(75, 10)

            # updates screen
            pygame.display.flip()
            clock.tick(60)

        return user_text_input_range_max, user_text_input_guess