If you want to draw a shape download/install a GUI Library for Python like Pygame
import pygame as pg #Optional, just write: import pygame
#Draw a rectangle: pg.draw.rect(surface, (r, g, b), pg.Rect(x, y, width, height)
#Draw a circle: pg.draw.circle(surface, (r, g, b), (x, y), radius)
#Draw a line: pg.draw.circle(surface, (r, g, b), (x1, y1), (x2, y2), width))
#Draw a custom shape: pg.draw.polygon(surface, (r, g, b), points, width) #points is a list of
#points like: points = [(x1, y1), (x2, y2), (x3, y3)... (xn, yn)]
#Draw an ellipse: pg.draw.ellipse(surface, (r, g, b), pg.Rect(x, y, width, height))
#The rectangle is just for the location and dimensions of the ellipse
#Draw an arc: pg.draw.arc(surface, (r, g, b), pg.Rect(x, y, width, height), start_angle, stop_angle)
#The rect is for dimensions and location of the arc
#There is also anti-aliased (aa) shapes which I wont get into but it means the shapes will
#be 'smoother'.