(student_info)
return result
:param student_info: list of [<student name>, <score>] lists
    :return: first `[<student name>, 100]` or `[]` if no student score of 100 is found.
:param student_info: list of [<student name>, <score>] lists
    :return: first `[<student name>, 100]` or `[]` if no student score of 100 is found.
: param student_info : list of [ <student name > <score > ] lists : return : first [ <student name > 100 ] or [] if no student score of 100 is found .
def perfect_score(student_info):
    """
    :param student_info: list of [<student name>, <score>] lists
    :return: first `[<student name>, 100]` or `[]` if no student score of 100 is found.
    """

    result = []

    for item in student_info:
        if item[1] == 100:
            result = item
            break

    return result
def perfect_score ( student_info ) : result = [ ] for item in student_info : if item [ 1 ] == 100 : result = item break return result