def writeText(string, coordx, coordy, fontSize):
  	#set the font to write with
    font = pygame.font.Font('freesansbold.ttf', fontSize) 
    #(0, 0, 0) is black, to make black text
    text = font.render(string, True, (0, 0, 0))
    #get the rect of the text
    textRect = text.get_rect()
    #set the position of the text
    textRect.center = (coordx, coordy)
    #add text to window
	window.blit(text, textRect)
    #update window
	pygame.display.update()

"""system font"""
font = pygame.font.SysFont("Segoe UI", 35)

"""font from .ttf file"""
font = pygame.font.Font("path/to/font.ttf", 35)

textsurface = font.render("text", False, color)  # "text", antialias, color
surface.blit(textsurface, (x, y))

font = pygame.font.SysFont(None, 24)
img = font.render('hello', True, BLUE)
screen.blit(img, (20, 20))