from turtle import *
while True:
    tri = Turtle()
    turtle = Turtle()
    tri.pu()
    tri.pencolor("white")
    tri.color("black")
    tri.shape("turtle")
    tri.bk(400)
    turtle = Turtle()
    turtle.pu()
    turtle.pencolor("white")
    turtle.shape("square")
    turtle.color("white")
    turtle.pu()
    turtle.speed(0)
    tri.speed(0)
    turtle.shapesize(100,100,00)
    setheading(towards(turtle))
    while tri.distance(turtle) > 10:
        turtle.ondrag(turtle.goto)
        tri.setheading(tri.towards(turtle))
        tri.fd(5)
    clearscreen()

from turtle import Turtle, Screen

a = Turtle(shape="square")
a.color("red")
a.width(6)
b = Turtle(shape="circle")
b.color("green")
b.width(3)

b.goto(-300, 0)
b.dot()
a.goto(-300, 0)
a.dot()

a.goto(300, 0)
b.goto(300, 0)

screen = Screen()
screen.exitonclick()

from turtle import Turtle, Screen

tri = Turtle(shape="turtle")
tri.color("black")
tri.pu()

turtle = Turtle(shape="square")
turtle.shapesize(4)
turtle.color("pink")
turtle.pu()

def drag_handler(x, y):
    turtle.ondrag(None)
    turtle.goto(x, y)
    turtle.ondrag(drag_handler)

turtle.ondrag(drag_handler)

tri.bk(400)
while tri.distance(turtle) > 10:
    tri.setheading(tri.towards(turtle))
    tri.fd(5)

screen = Screen()
screen.mainloop()