window = pygame.display.set_mode(300, 300)
colour = (0,0,255) #green
circle_x_&_y = (150, 50)
circle_radius = 12
border_width = 0 #0 = filled circle
pygame.draw.circle(window, colour, circle_x_&_y, circle_radius, border_width)
circle(surface, color, center, radius)
import pygame
pygame.init()
screen = pygame.display.set_mode((x, y)) #x and y are height and width
pygame.draw.circle(screen, (r,g,b), (x, y), R, w) #(r, g, b) is color, (x, y) is center, R is radius and w is the thickness of the circle border.