This is a commandline application to track packages from courier.gr (made specifically for Windows, but should work with *NIX with a slight modification to L53).

courier_gr.py

import os
import time
import requests
from datetime import datetime

from bs4 import BeautifulSoup

tracking_number = input("Tracking Number? => ")

while True:

    soup = BeautifulSoup(
        requests.post(
            "https://www.courier.gr/track/result/", {"tracknr": tracking_number}
        ).text,
        "html.parser",
    )

    details = {
        "id": BeautifulSoup(
            soup.find("div", {"class": "id"}).contents[3].text, "html.parser"
        ),
        "status": BeautifulSoup(
            soup.find("div", {"class": "status"}).contents[3].text, "html.parser"
        ),
        "send_from": BeautifulSoup(
            soup.find("div", {"class": "send-from"}).contents[3].text, "html.parser"
        ),
        "send_to": BeautifulSoup(
            soup.find("div", {"class": "send-to"}).contents[3].text, "html.parser"
        ),
        "station": BeautifulSoup(
            soup.find("div", {"class": "station"}).contents[3].text, "html.parser"
        ),
        "service": BeautifulSoup(
            soup.find("div", {"class": "service"}).contents[3].text, "html.parser"
        ),
        "items": BeautifulSoup(
            soup.find("div", {"class": "items"}).contents[3].text, "html.parser"
        ),
        "reference_1": BeautifulSoup(
            soup.find("div", {"class": "reference.1"}).contents[3].text, "html.parser"
        ),
        "current_action": BeautifulSoup(
            soup.find("div", {"class": "track-result"}).prettify(), "html.parser"
        )
        .find("div", {"class": "action"})
        .contents[0]
        .replace("\n", "")
        .replace("    ", ""),
    }

    os.system("cls")  # Note toward *NIX users; Use `clear`!
    print(
        f"""
<--------------------------------------------------------->
              Current Time:     {datetime.now().strftime("%d/%m/%Y %H:%M:%S")}

              Tracking Number:  {details["id"]}

              Current Status:   {details["status"]}

              Origin:           {details["send_from"]}

              Destination:      {details["send_to"]}

              Import Location:  {details["station"]}

              Items:            {details["items"]}

              Item Ref. 1:      {details['reference_1']}

              Current Action:   {details['current_action']}
<--------------------------------------------------------->
    """
    )
    time.sleep(10)

requirements.txt

beautifulsoup4