This challenge could've easily been solved using https://www.dcode.fr/rot-cipher

enc = "g!0{]n`7*+0y~+1|(!y.+0yKM9"

print("".join([chr(ord(i)-26) if chr(ord(i)-26).isalnum() else chr(ord(i)+68) for i in enc]))

Original writeup (https://github.com/infreezy/CTF-Writeups/blob/main/2020/MetaCTF/rot-26/script.py).