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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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\$\sin^2 \theta\$
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c. \$\endgroup\$whileloop to replace thefor(with the on-breakstuff occurring unconditionally after loop), plus tweakingi+=[i.pop(x)]toi+=i.pop(x),(one-tuples costing one fewer characters). \$\endgroup\$