launch.json

{
    "version": "0.2.0",
    "configurations": [
        // Open any Cpython test case in cpython/Lib/test
        {
            "name": "Cpython test",
            "type": "cppdbg",   
            "request": "launch",
            "program": "${workspaceFolder}/python.exe",
            "args": ["-m", "test", "-v", "${file}"],
            "stopAtEntry": false,
            "cwd": "${workspaceFolder}/Lib/test",
            "environment": [],
            "externalConsole": false,
            "MIMode": "gdb",
            "setupCommands": [
                {
                    "description": "Enable pretty-printing for gdb",
                    "text": "-enable-pretty-printing",
                    "ignoreFailures": true
                }
            ],
             },
        // run python with -c option
        {
            "name": "python -c",
            "type": "cppdbg",   
            "request": "launch",
            "program": "${workspaceFolder}/python.exe",
            // change the second argument accordinly
            "args": ["-c", "print(\"hello\")"],
            "stopAtEntry": false,
            "cwd": "${workspaceFolder}",
            "environment": [],
            "externalConsole": false,
            "MIMode": "gdb",
            "setupCommands": [
                {
                    "description": "Enable pretty-printing for gdb",
                    "text": "-enable-pretty-printing",
                    "ignoreFailures": true
                }
            ],
        },
        {
            "name": "python interpretter",
            "type": "cppdbg",   
            "request": "launch",
            "program": "${workspaceFolder}/python.exe",
            // change the second argument accordinly
            "args": [],
            "stopAtEntry": false,
            "cwd": "${workspaceFolder}",
            "environment": [],
            "externalConsole": false,
            "MIMode": "gdb",
            "setupCommands": [
                {
                    "description": "Enable pretty-printing for gdb",
                    "text": "-enable-pretty-printing",
                    "ignoreFailures": true
                }
            ],
        }
    ]
}