T-Boom!

 import pyautogui as pg

import time

import random

# Wait for the user to focus on the correct window

time.sleep(5)

# Loop to send the messages

for i in range(100):

   

    # Write "Hello" with a randomized interval between keystrokes

    pg.write('Hello..', interval=random.uniform(0.1, 0.1))  # Randomized interval between 0.1 and 0.5 seconds

   

    # Press Enter after writing

    pg.press('Enter')