You are given a code:

def main_solution(x):
    return ((x + x) + func_15('notetu'))

Can you predict the output of `main_solution("azemgole")` 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": "azemgole"}, "ref_output": "azemgoleazemgole\u00abn\u00bb\u00abo\u00bb\u00abt\u00bb\u00abe\u00bb\u00abt\u00bb\u00abu\u00bb", "ref_code": "def main_solution(x):\n    return ((x + x) + func_15('notetu'))", "funcname": "main_solution"}
rule