Unpacking tuples

unpacking.py

"""
Reference Python cookbook 
If you have tuples an awesome feature is unpacking from python, sometimes you need to unpacking tuples without know the index.
x,y,z = (1,2)
This raise an error about

ValueError: need more than 2 values to unpack

This is because you are unpacking more than values that expect.

Hint

* Unpacking object can be done with any Iterable object 'strings' 'list', 'files'
'iterators'
"""

#If you need to reject any value from tuple you can use common name variable for instance  '_'
name, last_name, date, _ = ('David', 'Murch', 21, datetime(2000,11,11), 'nothing_special')


#Unpacking elements from iterables of arbitrary length
#For cases when you need reject or grouping common values for instance phone numbers you can use start expressions

user = ('Den', 'Lopez', +57312338012, +5732130812093, +5731234141, 'graded)
name, last_name, *phone_numbers, grade = user

#example 2, unpacking with start expresions

path_shadow_user = """ubuntu:$6$dEp7Pp5.$rWhN7RxUrkSQ1qew12312fvdsfuLAKk9WiuewT3M8CKzMriyzUlSJquyywwaURPabLEPGTDpQz2btx/xFbfXgR9qnEAVObc1:17562:0:99999:7:::"""

user, encryp_pass, uid, *_ = path_shadow_user.split(':')