[Python] What does the "0b" mean at the begining of the byte 0b1100010?

As part of a small Python project I'm working on, I needed to convert text to a binary string. To accomplish this I used

list(map(bin, bytearray(message, 'utf8')))


The result was 0b1100010 and I get the 1100010 part, but what does the 0b part mean?

Continue reading...