You are given a code:

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

Can you predict the output of `main_solution("mdkge")` 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": "mdkge"}, "ref_output": "o\u00abjpg\u00bbp\u00ablfm\u00bbd\u00abkqg\u00bbe", "ref_code": "def main_solution(x):\n    return func_20(('ojgpl' + x), func_15('pfq'))", "funcname": "main_solution"}
rule