Python Exercise: Unpack a tuple in several variables

 #create a tuple

tuplex = 4, 8, 3 

print(tuplex)

n1, n2, n3 = tuplex

#unpack a tuple in variables

print(n1 + n2 + n3) 

#the number of variables must be equal to the number of items of the tuple

n1, n2, n3, n4= tuplex 

Output: (4, 8, 3)                                                                                                     

15                                                                                                            
Traceback (most recent call last):                                                                            
  File "32fd05c0-3096-11e7-a6a0-0b37d4d0b2c6.py", line 8, in <module>                                         
    n1, n2, n3, n4 = tuplex                                                                                   
ValueError: not enough values to unpack (expected 4, got 3)