>>>s = "привет"
>>>s
'\xd0\xbf\xd1\x80\xd0\xb8\xd0\xb2\xd0\xb5\xd1\x82'
>>> print s
привет
...
u = u"привет"
>>> u
u'\u043f\u0440\u0438\u0432\u0435\u0442'
>>> print u
привет
...
a=[]
>>> a.append(u)
>>> a.append(s)
>>> a
[u'\u043f\u0440\u0438\u0432\u0435\u0442', '\xd0\xbf\xd1\x80\xd0\xb8\xd0\xb2\xd0\xb5\xd1\x82']
>>> print a
[u'\u043f\u0440\u0438\u0432\u0435\u0442', '\xd0\xbf\xd1\x80\xd0\xb8\xd0\xb2\xd0\xb5\xd1\x82']

for str in a:
    print str