You are given a code:

def main_solution(x):
    return func_13(func_9('eeuv'), '_')

Can you predict the output of `main_solution("lamq")` 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": "lamq"}, "ref_output": "e_e_u_v_v_u_e_e", "ref_code": "def main_solution(x):\n    return func_13(func_9('eeuv'), '_')", "funcname": "main_solution"}
rule