Which language is best to make desktop GUI applications, is Python good enough. Please suggest sources for Python GUI

Answer 1

use visual c# or visual basic . here you will get dead and drop of controlled to make better ui

Answer 2

if you like python, there are many opensource gui library. for python 2 there are pygtk, wxpython, pyqt, pyside.
python3 have pygiobject (gtk), pheonix (wx), pyqt.
there also tkinter for simple gui, using native component.
Python wrapper for .net framework - iron python.
but, you should know python is made as scripting langguage, if you want to package as executable, you must use third party tool such as cx-freeze or pyinstaller (both support python3 and support most of gui I mention, but not easy out of the box)

here is an example
https://python-gtk-3-tutorial.readthedocs.io/en/latest/