def string_rotation(s1: str, s2: str) -> bool:
    """
    Check if the second string is a rotation of the first string.

    Args:
        s1 (str): The first string.
        s2 (str): The second string.

    Returns:
        bool: True if the second string is a rotation of the first.

    """
    return len(s1) == len(s2) and s1 in s2*2