y = 2*x + 3
x = z * 4
z = 8
y=?
z=?


x=?
  # Instanciación via sympify
ip = IP4(120.11.255.2,30)
ip.Nodes()
ip.to_hex()
ip + 1
10.1.1.1
p=Dec(16#FF + 16#FF) / 18
p
t= 2#1010 + 16#f
t.to_base(8)


ip.bit_representation()
ip=ip+20
ip.bit_representation()
ip.mask()
ip.get_prefix_length()

a = b + 5
solve(x)