You are given a code:

def main_solution(x):
    return func_3('sbdw')

Can you predict the output of `main_solution("ydkkger")` 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": "ydkkger"}, "ref_output": "bdsw", "ref_code": "def main_solution(x):\n    return func_3('sbdw')", "funcname": "main_solution"}
rule