public static String veri(byte[] bArr){

char[] toCharArray = "0123456789abcdef".toCharArray();
char[] cArr = new char[(bArr.length * 2)];
for(int i = 0; i < bArr.length; i++){

    int i2 bArr[i] & 255;

    cArr[i * 2] = toCharArray[i2 >>> 4]
    cArr[(i * 2) + 1] = toCharArray[i2 & 15]

}
    return new String(cArr)
}

def x(self,sig):
    sig = bytearray(sig.encode())
    char_string = "0123456789abcdef"

    char_list = list(char_string)


    charrr = bytearray(sig.__len__() * 2)

    for key in range(sig.__len__()):
        i2 = sig[key] & 255
        charrr[key * 2] = (char_list[i2 >> 4])
        charrr[(key * 2) + 1] = (char_list[i2 & 15])

    print(charrr.decode())
    return (charrr)