You are given a code:

def main_solution(x):
    return ('dklovj' + 'ysuid')

Can you predict the output of `main_solution("jukhswml")` 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": "jukhswml"}, "ref_output": "dklovjysuid", "ref_code": "def main_solution(x):\n    return ('dklovj' + 'ysuid')", "funcname": "main_solution"}
rule