You are given a code:

def main_solution(x):
    return func_5('edr', 'izya')

Can you predict the output of `main_solution("egtxb")` 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": "egtxb"}, "ref_output": "izyaedr", "ref_code": "def main_solution(x):\n    return func_5('edr', 'izya')", "funcname": "main_solution"}
rule