typewriter-5.py

import functools
import turtle
import string

window = turtle.Screen()
window.tracer(0)

typewriter = turtle.Turtle()

# Select keys that are on a typewriter
typewriter_keys = {
    # unpack string.ascii_letters, string.digits,
    # and string.punctuation into a set
    *(
        string.ascii_letters
        + string.digits
        + string.punctuation
    )
    # remove the minus sign and add "minus"
} - {"-"} | {"minus"}


# Define a function that takes a character as an argument
# and writes it to the screen
def type_letter(character):
    if character == "minus":
        character = "-"
    typewriter.write(character, font=("Courier", 30, "normal"))
    typewriter.forward(30)
    window.update()


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

window.update()
turtle.done()