Randomize n numbers
 

Hi! I am a new member here and i came to learn more. My first question is:
1) How can i randomize n (i.e. 30 numbers) from 1 to n, without repetition.
output: select a number: 30
4,15,13,23,29,2,1,6, .... (no repetition, all numbers randomized from 1-30)