You are given a code:

def main_solution(x):
    return func_20('smwnge', 'hcge')

Can you predict the output of `main_solution("uboruhxpu")` 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": "uboruhxpu"}, "ref_output": "shmcwgnege", "ref_code": "def main_solution(x):\n    return func_20('smwnge', 'hcge')", "funcname": "main_solution"}
rule