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- create code fences with backticks ` or tildes ~ ```
like so
``` - add language identifier to highlight code ```python
def function(foo):
print(foo)
``` - put returns between paragraphs
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- _italic_ or **bold**
- indent code by 4 spaces
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<i>does not mean emphasis; second, I never said italicizing make it clear that "iff" is not a typo (only less so). I also noted that an explanation is still necessary.