Binary Number

class Binary:
    def __init__(self, bin):
        self.bin = bin

    def checkBin(self):
        self.bin = str(self.bin)
        for i in range(0, len(self.bin)):
            if int(self.bin[i]) != 0 and int(self.bin[i]) != 1:
                return "Invalid Binary Format,Not A Binary Number."

        else:
            return f"Your Binary Number Is - {self.bin}"

    def onesComplement(self):
        binary_number = bin1.checkBin()
        checkBinResult = f"Your Binary Number Is - {self.bin}"
        if binary_number == checkBinResult:
            self.bin = str(self.bin)
            self.bin = list(self.bin)
            for i in range(0, len(self.bin)):
                if self.bin[i] == '0':
                    self.bin[i] = '1'
                elif self.bin[i] == '1':
                    self.bin[i] = '0'

            self.bin = "".join(self.bin)
            return f"1's Complement Of Your Binary Number Is - {self.bin}"

        else:
            return "1's Complement Of Your Number Is Not Possible."


bin1 = Binary(10100011)
print(bin1.checkBin())
print(bin1.onesComplement())