You are given a code:

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

Can you predict the output of `main_solution("bzwekgwp")` 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": "bzwekgwp"}, "ref_output": "b\u00abzgw\u00bbe\u00abklg\u00bbw\u00abpqw\u00bbl\u00abmzz\u00bbp\u00abhr\u00bb\u00abu\u00bb", "ref_code": "def main_solution(x):\n    return func_20((x + 'wlmzph'), func_15('glqzru'))", "funcname": "main_solution"}
rule