python按字符翻转字符串，python翻转字符串,New in; pyth

python按字符翻转字符串，python翻转字符串,New in; pyth

New in; python; 2.4;:

a_string = reversed(a_string)

                                New in; python; 2.3;:

a_string = a_string[::-1]

                                Alternatively:

a_string = list(a_string)a_string.reverse()"".join(a_string)

                                Another alternative;:

"".join([a_string[i] for i in xrange(len(a_string)-1, -1, -1)])