pen.turtle code example
Example 1: turtle circle() python
import turtle
t = turtle.Turtle()
t.color(color) # choose a color
t.begin_fill() # if you want it to be filled with color later
t.circle(10) # the function "circle" and the radious.
t.end_fill() # completing the filling of the circle.
# try to do it and see if it works. it worked for me.
Example 2: how to draw in python
import turtle