create a function to store the mouse clicks and redraw from the mouse clicks in turtle.

import turtle

wn=turtle.Screen()
wn.bgcolor("lightgreen")
#tess=turtle.Turtle()
#tess.color("blue")

points=[]
def add_point(x,y):
    points.append((x,y))
    print(points)
wn.onclick(add_point)

for point in points:
    x,y=point
    print(x,y)

turtle.mainloop()