import turtle

window = turtle.Screen()
turtle.speed(5)
turtle.pensize(5)

#Draw outline of a square

turtle.penup()
turtle.goto(-350, 100)
turtle.pendown()
turtle.begin_fill()
turtle.color("green")

turtle.forward(150)
turtle.left(90)
turtle.forward(150)
turtle.left(90)
turtle.forward(150)
turtle.left(90)
turtle.forward(150)
turtle.left(90)

turtle.end_fill()
turtle.penup()

#Draw outline of a square using a For loop
turtle.goto(-175, 100)
turtle.color("yellow")
turtle.pendown()
turtle.begin_fill()

for i in range(4):
    turtle.forward(150)
    turtle.left(90)

turtle.end_fill()
turtle.penup()

#3rd square
turtle.goto(0, 100)
turtle.color("red")
turtle.pendown()
turtle.begin_fill()

for i in range(4):
    turtle.forward(150)
    turtle.left(90)
turtle.end_fill()

turtle.penup()