typewriter-3.py

import functools
import turtle
import string

window = turtle.Screen()
typewriter = turtle.Turtle()


def type_letter(character):
    typewriter.write(character, font=("Courier", 30, "normal"))
    typewriter.forward(30)


for character in string.ascii_letters:
    window.onkeypress(
        functools.partial(type_letter, character),
        character,
    )
window.listen()

turtle.done()