how to generate random number different each time in python code example

Example 1: how to generate a random number python

import random
n = random.randint(0,22)
print(n)

Example 2: python generate list of random numbers

import random
randomlist = []
for i in range(0,5):
n = random.randint(1,30)
randomlist.append(n)
print(randomlist)