draw_square.py

t = turtle.Turtle()
t.color("red","blue")
wn = turtle.Screen()
wn.title("Crazy_Tech turtle tutorial")
wn.bgcolor("black")

t.speed(1)  #adjust the speed of turtle
t.begin_fill()
t.fillcolor("yellow")
#draw square shape, assuming side of 120px
for i in range(4):
    t.forward(120)
    t.left(90)

t.end_fill()
t.hideturtle()
#to stop the screen to display
turtle.mainloop()