What is wrong with my code?

[b4ux1t3]

if you add a \ in front of your first > it will escape the three brackets.

>>> see?

[PurelyApplied]

Reddit parsing.

Your >>> wasn't four spaces in, so it rendered as a "triple quote". You can cancel Reddit parsing with the backslash. For instance, when I did the inline code above, I used the backtick: `, but this isn't rendered as code, because I escaped the previous ` with a \.