You are given a code:

def main_solution(x):
    return func_17('pusr')

Can you predict the output of `main_solution("occvq")` 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": "occvq"}, "ref_output": "rsup", "ref_code": "def main_solution(x):\n    return func_17('pusr')", "funcname": "main_solution"}
rule