You are given a code:

def main_solution(x):
    return ('ygwbx' + 'zjvrky')

Can you predict the output of `main_solution("jdwjy")` 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": "jdwjy"}, "ref_output": "ygwbxzjvrky", "ref_code": "def main_solution(x):\n    return ('ygwbx' + 'zjvrky')", "funcname": "main_solution"}
rule