• bob_lemon@feddit.org
    1·
    4 months ago
    import re

def is_even(i: int) -> bool:
    return re.match(r"-?\d*[02468]$", str(i)) is not None
    • lime!@feddit.nuEnglish
      1·
      4 months ago

      i was gonna suggest the classic

      re.match(r"^(..)\1*$", "0" * abs(i)) is not None
    • istdaslol@feddit.org
      1·
      4 months ago

      Not all ARM CPUs support mod operations. It’s better to use bit operations. Check if the last bit is set. If set it’s odd else it’s even.