You are given a code:

def main_solution(x):
    return func_20('dhmkl', 'byze')

Can you predict the output of `main_solution("vwgyhgta")` 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": "vwgyhgta"}, "ref_output": "dbhymzkel", "ref_code": "def main_solution(x):\n    return func_20('dhmkl', 'byze')", "funcname": "main_solution"}
rule