are unpacked values just a reference in python? code example

Example 1: list unpacking python

def fun(a, b, c, d): 
    print(a, b, c, d) 
  
# Driver Code 
my_list = [1, 2, 3, 4] 
  
# Unpacking list into four arguments 
fun(*my_list)

Example 2: python Unpacking

# unpacking values for even numbers in list comprehension
x, y, z = (i*i+i for i in range(6) if i%2==0)
x, y, z