You are given a code:

def main_solution(x):
    return func_5(('weui' + x), 'baz')

Can you predict the output of `main_solution("xdkpzpd")` 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": "xdkpzpd"}, "ref_output": "bazweuixdkpzpd", "ref_code": "def main_solution(x):\n    return func_5(('weui' + x), 'baz')", "funcname": "main_solution"}
rule