Tally to compare 2 values.

tkinter_compare.py

#tkinter compare
import tkinter as tk

class App(tk.Frame):
    def __init__(self, master=None):
        super().__init__(master)
        self.master = master
        self.pack()
        self.create_widgets()

    def create_widgets(self):
        # create the first textbox and buttons
        self.textbox1 = tk.Text(self, height=1, width=10)
        self.textbox1.grid(row=0, column=0, padx=5, pady=5)
        self.plus1 = tk.Button(self, text="+", command=self.increment1)
        self.plus1.grid(row=0, column=2, padx=5, pady=5)
        self.minus1 = tk.Button(self, text="-", command=self.decrement1)
        self.minus1.grid(row=0, column=3, padx=5, pady=5)

        # create the second textbox and buttons
        self.textbox2 = tk.Text(self, height=1, width=10)
        self.textbox2.grid(row=1, column=0, padx=5, pady=5)
        self.plus2 = tk.Button(self, text="+", command=self.increment2)
        self.plus2.grid(row=1, column=2, padx=5, pady=5)
        self.minus2 = tk.Button(self, text="-", command=self.decrement2)
        self.minus2.grid(row=1, column=3, padx=5, pady=5)

        # create the labels for the counters
        self.counter1 = tk.Label(self, text="0")
        self.counter1.grid(row=0, column=1, padx=5, pady=5)
        self.counter2 = tk.Label(self, text="0")
        self.counter2.grid(row=1, column=1, padx=5, pady=5)

    def increment1(self):
        self.counter1.config(text=str(int(self.counter1["text"]) + 1))

    def decrement1(self):
        self.counter1.config(text=str(int(self.counter1["text"]) - 1))

    def increment2(self):
        self.counter2.config(text=str(int(self.counter2["text"]) + 1))

    def decrement2(self):
        self.counter2.config(text=str(int(self.counter2["text"]) - 1))

root = tk.Tk()
app = App(master=root)
app.mainloop()