You are given a code:

def main_solution(x):
    return func_13(func_20('dcvpyy', 'paqbre'), '|')

Can you predict the output of `main_solution("tps")` 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": "tps"}, "ref_output": "d|p|c|a|v|q|p|b|y|r|y|e", "ref_code": "def main_solution(x):\n    return func_13(func_20('dcvpyy', 'paqbre'), '|')", "funcname": "main_solution"}
rule