#Filip Skřiváček
#Turtle Trojuhelník
#12.01.2020

import turtle

my_window = turtle.Screen()
my_window.bgcolor("white")

my_pen = turtle.Turtle()
my_pen.pensize(1)
my_pen.color("black")

rovne = my_pen.forward
dozadu = my_pen.backward
doleva = my_pen.left
doprava = my_pen.right
nepsat = my_pen.up
psat = my_pen.down
goto = my_pen.goto
nepsat = my_pen.up
psat = my_pen.down

kousek = 0
strana = 300
dilek = strana/10


for i in range(4):
    rovne(300)
    doleva(90)

for i in range(10):
    my_pen.color("red")
    goto(300,dilek)
    nepsat()
    goto(dilek,0)
    psat()
    dilek = dilek + strana/10

dilek = strana/10

for i in range(10):
    my_pen.color("blue")
    goto(strana - dilek,300)
    nepsat()
    goto(300,dilek)
    psat()
    dilek = dilek + strana/10

dilek = strana/10

for i in range(10):
    my_pen.color("green")
    goto(0,strana - dilek)
    nepsat()
    goto(strana - dilek,300)
    psat()
    dilek = dilek + strana/10

dilek = strana/10

for i in range(10):
    my_pen.color("yellow")
    goto(dilek,0)
    nepsat()
    goto(0,strana - dilek)
    psat()
    dilek = dilek + strana/10