Arduino and Python Serial Connection with LCD . UPDATED . (https://www.instructables.com/id/Wiring-up-the-LCD-and-the-LED/)

ArduinoCode.ino

// include the library code:
#include <LiquidCrystal.h>

// initialize the library with the numbers of the interface pins
//LiquidCrystal lcd(12, 11, 5, 4, 3, 2);
LiquidCrystal lcd(7, 8, 9, 10, 11, 12);
void setup() {
  Serial.begin(9600);
  lcd.begin(16, 2);
  lcd.print("start");
}

void loop() {
  if (Serial.available()) {
    delay(100);  //wait some time for the data to fully be read
    lcd.clear();
    while (Serial.available() > 0) {
      char c = Serial.read();
      lcd.write(c);
    }
  }
}

readrss.py

#import library to do http requests:
import urllib.request as urllib2
#https://stackoverflow.com/questions/34475051/need-to-install-urllib2-for-python-3-5-1
#import urllib2
#import pyserial Library
import serial
#import time library for delays
import time

#import xml parser called minidom:
from xml.dom.minidom import parseString

#Initialize the Serial connection in COM3 or whatever port your arduino uses at 9600 baud rate
ser = serial.Serial("\\.\COM3", 9600)
i = 1
#delay for stability while connection is achieved
time.sleep(5)

while i == 1:
     #download the rss file feel free to put your own rss url in here
     file = urllib2.urlopen('https://www.lemonde.fr/rss/une.xml')
     #convert to string
     data = file.read()
     #close the file
     file.close()
     #parse the xml from the string
     dom = parseString(data)
     #retrieve the first xml tag (<tag>data</tag>) that the parser finds with name tagName change tags to get different data
     xmlTag = dom.getElementsByTagName('title')[2].toxml()
     # the [2] indicates the 3rd title tag it finds will be parsed, counting starts at 0
     #strip off the tag (<tag>data</tag>  --->   data)
     xmlData=xmlTag.replace('<title>','').replace('</title>','')
     #write the marker ~ to serial
     ser.write(str.encode('~'))
     time.sleep(5)
     #split the string into individual words
     nums = xmlData.split(' ')
     #loop until all words in string have been printed
     for num in nums:
          #write 1 word
          ser.write(str.encode(num))
          # write 1 space
          ser.write(str.encode(' '))
          # THE DELAY IS NECESSARY. It prevents overflow of the arduino buffer.
          time.sleep(2)
     # write ~ to close the string and tell arduino information sending is finished
     ser.write(str.encode('~'))
     # wait 5 minutes before rechecking RSS and resending data to Arduino
     time.sleep(300)