Write a function to find m number of multiples of n.
def multiples_of_num(m,n): 
    multiples_of_num= list(range(n,(m+1)*n, n)) 
    return list(multiples_of_num)
<s>[INST]<<SYS>>Given a task and its code, generate test cases for the code.<</SYS>>Write a function to find m number of multiples of n.
def multiples_of_num(m,n): 
    multiples_of_num= list(range(n,(m+1)*n, n)) 
    return list(multiples_of_num)[/INST]assert multiples_of_num(4,3)== [3,6,9,12]
assert multiples_of_num(2,5)== [5,10]
assert multiples_of_num(9,2)== [2,4,6,8,10,12,14,16,18]</s>