Python - Intersectiing strings

Question

Trying to write a for function that takes two strings and returns the characters that intersect in the order that they appear in the first string.

Here\'s what I tri

Answer 1

easiest is to use sets in python

>>> a='asdfasdfasfd'
>>> b='qazwsxedc'
>>> set(a).intersection(b)
set(['a', 's', 'd'])