How to Redirect input/output to/from the debug target in vscode

"version": "0.2.0",
"configurations": [


    {
        "name": "Python: Current Fisle",
        "type": "python",
        "request": "launch",
        "program": "${file}",
        "console": "integratedTerminal",
        "args": ["<","input.txt",">","output.txt"]
    }
]

}

this is my launch.json but the terminal said I can't find this file please give some tips