You are given a code:

def main_solution(x):
    return ('xit' + 'junzn')

Can you predict the output of `main_solution("dnpw")` 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": "dnpw"}, "ref_output": "xitjunzn", "ref_code": "def main_solution(x):\n    return ('xit' + 'junzn')", "funcname": "main_solution"}
rule