[Tutor] printing answers

[Christopher Spears]

I'm writing a function that takes a list of strings
and finds any identical strings.  Case should not
matter.  For example, in ['one','One', 'two', 'three',
'ThrEE'], one and One and three and ThrEE should be
recognized as pairs.
I wrote the following code:

def findMatch(list_of_strings):

    import re
    answers = []
    
    for i in range(len(list_of_strings)):
        pattern = re.compile(list_of_strings[i], re.I)
        for i in range(len(list_of_strings)):
            match = re.match(pattern,
list_of_strings[i])
            if match != None:
                answers = answers +
[list_of_strings[i]]

    print answers

My problem is printing out the correct answers.  When
I ran a test, I got the following result:

>>> findMatch(['one', 'two', 'One'])
['one', 'One', 'two', 'one', 'One']

What am I doing wrong?  I think my logic is correct.

-Chris