What is wrong with my code??

Question

from turtle import

colormode(255)

color(0.255.0)

width(1)
speed(0)

screensize(bg = "black")

leng = 5

for i in range(500)
leng += 1
for j in range(4);
forward (leng)
left(90)

left(2)

exitonclick()

Answer 1

in the inner for-loop you have ";" instead of ":" and the subsequent code block isn't indented correctly.