Reverse a string in Python

Question

There is no built in reverse function for Python\'s str object. What is the best way of implementing this method?

If supplying a very conci

Answer 1

Here is one without [::-1] or reversed (for learning purposes):

def reverse(text):
    new_string = []
    n = len(text)
    while (n > 0):
        new_string.append(text[n-1])
        n -= 1
    return ''.join(new_string)
print reverse("abcd")

you can use += to concatenate strings but join() is faster.