kbob

#!/usr/bin/env python3

from functools import reduce
from itertools import count, cycle, islice, repeat

def fizzbuzz(*args):

    class Fizz(int):
        __add__  = lambda fi, z: z
        __call__ = lambda b, u, z: z(u)

kbob

#!/usr/bin/env python3

from itertools import count

# This is stable up to about x=34.
# Above that, reimplement with rational arithmetic.

def Si(x):
    """Sine integral.  Numerically stable up to about x=34."""
    sign = +1

kbob

// Example Arduino sketch shows how to make a "rotor" of LEDs that light up,
// then fade away as the rotor passes them by.
// See https://mstdn.social/@alpenglow/111722310220283286

#define ROTOR_LED_COUNT 10
#define ROTOR_UPDATE_MSEC 1
#define ROTOR_ADVANCE_MSEC 100
#define ROTOR_MAX_BRIGHTNESS 255
#define ROTOR_MIN_BRIGHTNESS 0