{
"cmd": ["python3", "-i", "-u", "$file"],
"file_regex": "^[ ]*File "(...?)", line ([0-9]*)",
"selector": "source.python"}

"cmd": ["python3", "-u", "$file_basename"],

{"command": "repl_open",
                 "caption": "Python - RUN current file",
                 "id": "repl_python_run",
                 "mnemonic": "R",
                 "args": {
                    "type": "subprocess",
                    "encoding": "utf8",
                    "cmd": ["python3", "-u", "$file_basename"],
                    "cwd": "$file_path",
                    "syntax": "Packages/Python/Python.tmLanguage",
                    "external_id": "python",
                    "extend_env": {"PYTHONIOENCODING": "utf-8"}
                    }