1 def encode(value): 2 return ((value & 8) << 4) | ((value & 4) << 3) | ((value & 2) << 2) | ((value & 1) << 1) 3 4 print encode(15) # 170 5 print encode(8) # 128 6 print encode(2) # 8 7 print encode(0) # 0
