Your signatures confuse me

Okay so super short(and possibly very stupid) question....

What the heck is with the 1.0, 2.2, 0.1 etc. numbers in the signatures? Does it mean you have 1.2 carpet pythons? Or are they ages and everyone only has baby snakes? :rofl:I don't get it...

It's the snakes sex
1.0-male
0.1-female
0.0.1-unknown

1.2.3 ball pythons would equal 1 male, 2 female, 3 unknown sex for example

Thanks! I never would have guessed that.
So for mine it'd look like:

1.0 Brazilian Rainbow Boa
0.1 Jungle Carpet Python
1.0 Ball Python

Males . Females . Unsexed . Eggs