Show LED numbers.

lednumbers.py

import os


led_nums = [
    [" _ ", "| |", "|_|"],
    ["   ", "  |", "  |"],
    [" _ ", " _|", "|_ "],
    [" _ ", " _|", " _|"],
    ["   ", "|_|", "  |"],
    [" _ ", "|_ ", " _|"],
    [" _ ", " _|", "|_|"],
    [" _ ", "  |", "  |"],
    [" _ ", "|_|", "|_|"],
    [" _ ", "|_|", "  |"]]


def to_led(num):
    ns = [int(n) for n in num if n.isdigit()]
    s = ""
    for i in range(3):
        for n in ns:
            s += led_nums[n][i]
        else:
            s += os.linesep
    return s


if __name__ == '__main__':
    try:
        while True:
            num = input("input number: ")
            led = to_led(num)
            print(led)
    except KeyboardInterrupt:
        pass