Generate a Universally Unique Identifier (UUID) using random hexadecimal characters.
The UUID follows the format 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx', where 'x' represents a random hexadecimal digit (0-9, a-f),
and 'y' represents a random hexadecimal digit (8, 9, a, or b).
Generate a Universally Unique Identifier (UUID) using random hexadecimal characters. The UUID follows the format 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx', where 'x' represents a random hexadecimal digit (0-9, a-f), and 'y' represents a random hexadecimal digit (8, 9, a, or b).