list_1=[a, b, c, d]
list_2=[1, 3, 5, 7]

>> a=2
>> b=4
>> c=6
>> d=8
>> list_1=[a,b,c,d]
>> list_1
[2, 4, 6, 8]

list_1=['a', 'b', 'c', 'd']
list_2=[1, 3, 5, 7]

for name,val in zip(list_1,list_2):
    exec(name+'='+str(val))
    
print a,b,c,d

>>> list_1=['a', 'b', 'c', 'd']
>>> list_2=[1, 3, 5, 7]
>>> d = dict(zip(list_1,list_2))
>>> d
{'a': 1, 'c': 5, 'b': 3, 'd': 7}
>>> d['a']
1
>>> d['b']
3
>>> d['c']
5
>>> d['d']
7

>>> for key in list_1:
...     print d[key]
...
1
3
5
7
>>>

In [3]: a,b,c,d = [1,3,5,7]

In [4]: print a,b,c,d
------> print(a,b,c,d)
(1, 3, 5, 7)