You are given a code:

def main_solution(x):
    return func_22('iyptxk')

Can you predict the output of `main_solution("zozzghpnn")` without writing any code? Please reason and put your final answer in the following json format: {"output": <your output>}, where <your output> should be the final string.
user
{"ref_input": {"x": "zozzghpnn"}, "ref_output": "iyptxk", "ref_code": "def main_solution(x):\n    return func_22('iyptxk')", "funcname": "main_solution"}
rule