# [Factor](https://factorcode.org), 31 bytes

```lang-factor
[ 33 interleaved "!%s!"printf ]
````

[Attempt This Online!](https://ato.pxeger.com/run?1=JYqxDoIwFEX3fsWziaMuLAZmMYoRE-NkHF7glVBKW9ti_BcXBvU3_A7_RpS73JOTc38JLIJx_ac9Hta7VQzCuBZDqHUFDTlNCjxdOtIF-TndgkMPCWMcfQkopMkAm5hYs3fbksEwkW_yZfLHLM1ZljZkZWUs-Mqikb8CJX92QcwW7xNEEdQ6kFOEVyqBT6Z-wq0bnIDzWD0KVGrEvh__Cw)

* `33 interleaved` Insert an exclamation point between each character.
* `!%s!"printf` Insert an exclamation point at the beginning and end and print it.