# Our first program!

# bring in the turtle functions
from turtle import *

# demonstrates drawing a function
# notice that you always need parentheses and a colon
# the contents of the function are tabbed in
def draw_square():
    forward(50)
    left(90)
    forward(50)
    left(90)
    forward(50)
    left(90)
    forward(50)

color("red")
pensize(10)

hideturtle()
draw_square()
penup()

goto(100, 100)

pendown()
begin_fill()
draw_square()
end_fill()

# So that our window won't crash
mainloop()