You are given a code:

def main_solution(x):
    return func_3('plhp')

Can you predict the output of `main_solution("kqvs")` 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": "kqvs"}, "ref_output": "hlpp", "ref_code": "def main_solution(x):\n    return func_3('plhp')", "funcname": "main_solution"}
rule