The conversation between human and AI assistant.
[|Human|] Generate a 4-digit random number with no repetition of digits.
[|AI|] One possible 4-digit random number with no repetition of digits is `4927`. This is just one of many possible numbers that fit the criteria, and each time the result could be different.
[|Human|] 
Generate a 4-digit random number with no repetition of digits.