def sanitize_string(unsanitized_string):
    """Sanitize a strings.

    * Strips leading and trailing whitespaces

    Parameters
    ----------
    unsanitized_string : string
        String to sanitize

    Returns
    -------
    string
        Sanitized string
    """
    sanitized_sring = unsanitized_string.strip()
    return sanitized_sring