You are given a code:

def main_solution(x):
    return ('szsjca' + 'pza')

Can you predict the output of `main_solution("jmwh")` 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": "jmwh"}, "ref_output": "szsjcapza", "ref_code": "def main_solution(x):\n    return ('szsjca' + 'pza')", "funcname": "main_solution"}
rule