What is wrong in this code? Code in description

Question

import turtle
t=turtle.Turtle()
turtle.backgroundcolor("black")
colours=("blue","green","red","black")
for x in range(100):
t.pencolor(colours[x%4])
t.forward(x)
t. left(70)

Answer 1

Do this =>print(dir(turtle))
You will find it has no attribute backgroundcolor instead it has bgcolor