Как окружить до 3 значащих цифр в Python
rounded_number = round(a_number, significant_digits - int(math.floor(math.log10(abs(a_number)))) - 1)
Mysterious Moth
rounded_number = round(a_number, significant_digits - int(math.floor(math.log10(abs(a_number)))) - 1)>>> round(1234, -3)
1000.0