msgs = ('iguales', 'mayor', 'menor')

def mayormenor(n1, n2):
    '''Devuelve si n1 es mayor, menor o igual a n2.

    >>> mayormenor(1, 2)
    'menor'
    >>> mayormenor(2, 2)
    'iguales'
    >>> mayormenor(2, 1)
    'mayor'
    >>> mayormenor(2, -8)
    'mayor'
    >>> mayormenor("foo", 4)
    Traceback (most recent call last): 
    ...
    ValueError: invalid literal for int() with base 10: 'foo'
    '''
    n1, n2 = int(n1), int(n2)
    return msgs[cmp(n1, n2)]


if __name__ == "__main__":
    import doctest
    doctest.testmod()