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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)
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lang-js
arguments = []or something like that. Assigning to a property of arguments means code that looks likearguments[1] = 10, while this is allowed, it changes a copy of the argument, and not the argument itself.