Python - List - Int List

[sophi]

class IntList(list):
    def __init__(self):
        super().__init__()
        self.list = []

    def __len__(self):
        return len(self.list)

    def append(self, elem):
        if not isinstance(elem, int):
            raise TypeError('x musí byť typu Integer')
        self.list[len(self.list):] = [elem]

    def insert(self, index, value):
        if not isinstance(value, int):
            raise TypeError('x musí byť typu Integer')
        self.list.insert(index, value)

    def get_list(self):
        return self.list

    def __str__(self):
        return f'{self.list}'

    def extend(self, listt):
        if not isinstance(listt, IntList):
            raise TypeError('Zoznam musí byť typu Integer')
        z = self.list
        y = listt.get_list()
        self.list = z + y
        print(self.list)
        return self.list

    @property
    def sort(self):
        x = len(self.list)
        for i in range(x):
            for j in range((i + 1), x):
                if self.list[i] > self.list[j]:
                    l1 = self.list[i]
                    self.list[i] = self.list[j]
                    self.list[j] = l1
        return self.list