You are given a code:

def main_solution(x):
    return func_20('aejtnt', 'nrfn')

Can you predict the output of `main_solution("bjwazgs")` 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": "bjwazgs"}, "ref_output": "anerjftnnt", "ref_code": "def main_solution(x):\n    return func_20('aejtnt', 'nrfn')", "funcname": "main_solution"}
rule