You are given a code:

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

Can you predict the output of `main_solution("gxwxcsvs")` 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": "gxwxcsvs"}, "ref_output": "gxnn", "ref_code": "def main_solution(x):\n    return func_22('gxnn')", "funcname": "main_solution"}
rule