You are given a code:

def main_solution(x):
    return func_9('iyzwdz')

Can you predict the output of `main_solution("bxdl")` 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": "bxdl"}, "ref_output": "iyzwdzzdwzyi", "ref_code": "def main_solution(x):\n    return func_9('iyzwdz')", "funcname": "main_solution"}
rule