# nth
Element at index n. For strings: the n-th CODEPOINT as a string (never
a raw byte fragment). Negative indices count from the end; out of range
returns nil.
## Syntax
[nth $coll $n]
## Examples
[nth @{a b c} 1] # b
[nth "a中c" 1] # "中"
## Returns
Any.
## See Also
`first`, `last`, `slice`, `char-at`, `byte-at`