Here i m just try input and draw a box, but i m not to do draw a box, i dont know pls explain ...what i can't...

Question

import turtle
my_box=turtle.Turtle()
length=input('enter box length')
angle=input ('enter box angle')
my_box.forward(length)
my_box.left(size)

Answer 1

You should initiate the screen with

turtle.Screen()

and change

my_box.left(size)
to
my_box.left(angle)