Python finding palindromes

python_palindrome.py

"""
Python palidrome finders.
3 methods for finding palindromes with python.
"""

def is_palindrome_v1(s):
    if len(s) <= 1:
        return True
    else:
        return s[0] == s[-1] and is_palindrome_v1(s[1:-1])


is_palindrome_v2 = lambda s: s == s[::-1]


def is_palindrome_v3(s):
    return s == ''.join(reversed(s))