init

helloworld.py

@@ -0,0 +1,23 @@
+from tkinter import *
+
+class App:
+    def __init__(self, master):
+        frame = Frame(master)
+        frame.pack()
+
+        self.button = Button(
+            frame, text="QUIT", fg="red", command=frame.quit
+        )
+        self.button.pack(side=LEFT)
+
+        self.hi_there = Button(frame, text="Hello", command=self.say_hi)
+        self.hi_there.pack(side=LEFT)
+    
+    def say_hi(self):
+        print("Hello World!")
+
+root = Tk()
+app = App(root)
+
+root.mainloop()
+root.destroy()