How to add new value to a list without using 'append()' and then store the value in a newly created list?

Question

I have been trying this a lot.

>>> x = [4,5]
>>> y = x.append(7)
>>> print y
None
>>>print x
[4, 5, 7]

Answer 1

You can do

x = [4,5]
y = x + [7]
# x = [4, 5]
# y = [4, 5, 7]