Python grammar problems

from serial import Serial
from serial.tools.list_ports import comports

from websocket_server import WebsocketServer


@route("/")
def index(info=""):
    return template("index.html", sers=[(desc, port) for port, desc, hwid in comports()],
                                  ws_url=request.url.replace("http", "ws").replace("8080", "9978"))
Sers= [(desc, port) for port, desc, hwid in comports ()]
in

template what syntax is this?

Mar.28,2021

is the deductive (comprehensions) of Python


this is a list generation you can take a look at this article

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