Code cho mn con virus bằng pythorn

[longlanhlung]

import turtle
t=turtle.Turtle()
s=turtle.Screen()
s.bgcolor("black")
t.pencolor("green")
a=0
b=0
t.speed(0)
t.penup()
t.goto(0, 200)
t.pendown()
while True:
t.forward(a)
t.right(b)
a+=3
b+=1
if b ==210:
break
t.hideturtle()

turtle.done()