====== python설치오류 ======
  * WARNING: The Python ctypes extension was not compiled. Missing the libffi lib?
<code sh>
sudo apt install libffi-dev
</code>
  * WARNING: The Python tkinter extension was not compiled and GUI subsystem has been detected. Missing the Tk toolkit?
<code sh>
sudo apt install tk-dev
</code>
  * WARNING: The Python lzma extension was not compiled. Missing the lzma lib?
<code sh>
sudo apt install liblzma-dev
</code>