PY Turtle Spin In Place SRC

import turtle

def drawSquare(t, sz):
    """Make turtle t draw a square of with side sz."""

    for i in range(4):
        t.forward(sz)
        t.left(90)


def main():                      # Define the main function
    wn = turtle.Screen()         # Set up the window and its attributes
    wn.bgcolor("lightgreen")

    alex = turtle.Turtle()       # create alex
    drawSquare(alex, 1)         # Call the function to draw the square

    wn.exitonclick()

main()                           # Invoke the main function