magic_methods:comparison

class Student:
    def __init__(self, name: str, phone_number: int, standard: str):
        self.name = name
        self.standard = standard
        self.phone_number = phone_number

    def __str__(self):
        return self.name

    @staticmethod
    def _get_standard_weight(std: str):
        standard_weightage_list = [
            'I', 'II', 'III', 'IV', 'V', 'VI', 'VII', 'VIII', 'IX', 'X', 'XI', 'XII'
        ]
        return standard_weightage_list.index(std.upper()) + 1

    def __eq__(self, other):
        if self._get_standard_weight(self.standard) == \
                self._get_standard_weight(other.standard):
            return True
        else:
            return False

    def __gt__(self, other):
        if self._get_standard_weight(self.standard) > \
                self._get_standard_weight(other.standard):
            return True
        else:
            return False

    def __ge__(self, other):
        if self._get_standard_weight(self.standard) >= \
                self._get_standard_weight(other.standard):
            return True
        else:
            return False

    def __lt__(self, other):
        if self._get_standard_weight(self.standard) < \
                self._get_standard_weight(other.standard):
            return True
        else:
            return False

    def __le__(self, other):
        if self._get_standard_weight(self.standard) <= \
                self._get_standard_weight(other.standard):
            return True
        else:
            return False