And that would be...? Pythons aren't green. It's like saying everyone knows Perl is blue, because it's represented by a camel.

Here's the least reality-informed, most popularly well-known image of a python you can find: https://static.wikia.nocookie.net/villains/images/a/a1/Kaa_O...

Ask a kid to draw a snake and which colored pencil will they reach out to 9 out of 10 times? Or just look at the snake emoji...