You are given a code:

def main_solution(x):
    return func_20((x + 'gix'), func_15('pnskid'))

Can you predict the output of `main_solution("fqlhis")` 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": "fqlhis"}, "ref_output": "f\u00abqpl\u00bbh\u00abins\u00bbg\u00abisx\u00bb\u00abk\u00bb\u00abi\u00bb\u00abd\u00bb", "ref_code": "def main_solution(x):\n    return func_20((x + 'gix'), func_15('pnskid'))", "funcname": "main_solution"}
rule