Adding spaces to items in list (Python)

Question

I\'m a Python noob and I need some help for a simple problem.

What I need to do is create a list with 3 items and add spaces before and after every item.

For

Answer 1

As always, use a list comprehension:

lst = [' {0} '.format(elem) for elem in lst]

This applies a string formatting operation to each element, adding the spaces. If you use python 2.7 or later, you can even omit the 0 in the replacement field (the curly braces).