# Tk_strong_password_generator.py

# Tk_strong_password_generator.py

from tkinter import *
import random
import string

words = string.ascii_uppercase
words2 = string.ascii_lowercase
numbers = string.digits
spec_char = '!@#$%'

class GenPass:

    def __init__(self, master):
        frame = Frame(master) # add parent for Frame
        frame.pack()

        self.printButton = Button(frame, text="Generate Password", padx=4, pady=4, command=self.generate)
        self.printButton.pack(side=LEFT)

        self.quitButton = Button(frame, text="Copy to Clipboard", padx=4, pady=4, command=master.destroy) # zzz
        self.quitButton.pack(side=LEFT)

        self.output = Label(master, fg="Green")
        self.output.pack()

        self.generate() # genrate password at start


    def generate(self):
        password = []
        for i in range(2):
            password += [random.choice(words)]
        for i in range(2):
            password += [random.choice(words2)]
        for i in range(2):
            password += [random.choice(numbers)]
        for i in range(2):
            password += [random.choice(spec_char)]
        for i in range(8):
            password += [random.choice(words+words2+numbers+spec_char)]
        random.shuffle(password)
        password = ''.join(password)
        print(password)
        self.output.config(text=password)


root = Tk()
GenPass(root)
root.mainloop()