Denary to Twos complement

number = int(input("Enter decimal number"))
bina = bin(((1 << 8) - 1) & number)
if len(bina)!=8:
    binc = ("0"*(10-len(bina))+bina[2::])
    print("Twos Complement:",binc)
else:
    print("Twos Complement:",bina[2::])