Moving to Help for not following the bug report template.
Also it’s best to put examples in code blocks so we can se your actual Markdown without Discourse re seeing it (tho in this case that turned out to be useful 
). To put a code block in a code block, use more backticks (or tildes, which I’m using because they’re easier to type on my phone).
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Codeception
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(Of course to type this example I had to andd another, longer set of tildes.)
If you’re trying to put a code block in a list item, search the forum — there are definitely other posts about it (I don’t remember what they say). Actually, this is probably the main one: