>>> a = 10; b = 20
>>> a * b
200
>>> a = 1.5; b = 2.5;
>>> a * b
3.75
>>> a = 2 + 3j；b = 3 + 2j
>>> a * b
13j

>>> s = "Hello"
>>> s * 3
'HelloHelloHello'
>>> L1 = [1,2,3]
>>> L1 * 3
[1, 2, 3, 1, 2, 3, 1, 2, 3]
>>> T1 = (1,2,3)
>>> T1 * 3
(1, 2, 3, 1, 2, 3, 1, 2, 3)

>>> def function(*arg):
    print (type(arg))
    for i in arg:
      print (i)

>>> function(1,2,3)
<class 'tuple'>
1
2
3