Python autotyping code

import pyautogui, sys
from time import sleep
import pyperclip

pyautogui.click(100,500)


//------------------한 음절씩 입력하는 코드
pyperclip.copy("안")
pyautogui.hotkey("ctrl","v")
sleep(0.5)

pyperclip.copy("녕")
pyautogui.hotkey("ctrl","v")
sleep(0.5)

pyperclip.copy("하")
pyautogui.hotkey("ctrl","v")
sleep(0.5)

pyperclip.copy("세")
pyautogui.hotkey("ctrl","v")
sleep(0.5)

pyperclip.copy("요")
pyautogui.hotkey("ctrl","v")
sleep(0.5)



//-----------------------문장을 입력하는 코드
pyautogui.click(100,500)
a = "안녕하세요"

for i in range(0,5):
    pyperclip.copy(a[i])
    pyautogui.hotkey("ctrl", "v")
    sleep(0.5)
print(a)



//--------------------------파일을 불러들여 한 줄씩 읽어 한 음절씩 나타나게 하는 코드
pyautogui.click(100,500)

f = open("인사.txt", 'r', encoding='UTF8')
while True:
    line = f.readline()
    for i in range(len(line)):
        pyperclip.copy(line[i])
        pyautogui.hotkey("ctrl", "v")
        sleep(0.5)

    if not line: break
    print(line)
f.close()