You are given a code:

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

Can you predict the output of `main_solution("jpzpgyzl")` 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": "jpzpgyzl"}, "ref_output": "j\u00abpdz\u00bbp\u00abgry\u00bbz\u00ablhj\u00bbp\u00abzlp\u00bbg\u00abyzz\u00bbl\u00abr\u00bb", "ref_code": "def main_solution(x):\n    return func_20((x + x), func_15('drhlzr'))", "funcname": "main_solution"}
rule