Want to modify hosts file as administrator in Python

import ctypes, subprocess,shutil ,sys
ctypes.windll.shell32.ShellExecuteW(None, "runas", sys.executable, " ".join(sys.argv), None, 1)
subprocess.call(['C:\\Windows\\notepad.exe', 'C:\Windows\System32\drivers\etc\hosts'])
append = open('C:\Windows\System32\drivers\etc\hosts','a').write("127.0.0.1      www.google.com")
print(append.read())