Python 3.14.0a2+ (main, Dec  8 2024, 10:50:32) [GCC 14.2.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> bytes.fromhex('deadbee')
Traceback (most recent call last):
  File "<python-input-0>", line 1, in <module>
    bytes.fromhex('deadbee')
    ~~~~~~~~~~~~~^^^^^^^^^^^
ValueError: non-hexadecimal number found in fromhex() arg at position 7
>>> bytes.fromhex('deadbeef')
b'\xde\xad\xbe\xef'