You are given a code:

def main_solution(x):
    return ('huof' + 'mwvhx')

Can you predict the output of `main_solution("izznzwta")` 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": "izznzwta"}, "ref_output": "huofmwvhx", "ref_code": "def main_solution(x):\n    return ('huof' + 'mwvhx')", "funcname": "main_solution"}
rule