You are given a code:

def main_solution(x):
    return func_20(func_15(x), func_1('iqap', 3))

Can you predict the output of `main_solution("pqklahdqyd")` 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": "pqklahdqyd"}, "ref_output": "\u00abipq\u00bba\u00abpqi\u00bbq\u00abakp\u00bbi\u00abqla\u00bbp\u00aba\u00bb\u00abh\u00bb\u00abd\u00bb\u00abq\u00bb\u00aby\u00bb\u00abd\u00bb", "ref_code": "def main_solution(x):\n    return func_20(func_15(x), func_1('iqap', 3))", "funcname": "main_solution"}
rule