create gui for matrix m x n in python

main.py
import tkinter as tk

class MatrixGUI:
    def __init__(self, rows, cols):
        self.rows = rows
        self.cols = cols
        
        self.root = tk.Tk()
        
        self.create_widgets()
        
        self.root.mainloop()
        
    def create_widgets(self):
        # Create a frame to hold the matrix
        matrix_frame = tk.Frame(self.root)
        matrix_frame.pack()
        
        # Create the matrix
        for r in range(self.rows):
            for c in range(self.cols):
                cell_label = tk.Label(matrix_frame, text=f"({r+1}, {c+1})")
                cell_label.grid(row=r, column=c, padx=5, pady=5)
        
        # Create a button to exit the program
        exit_button = tk.Button(self.root, text="Exit", command=self.root.quit)
        exit_button.pack(side="bottom", padx=10, pady=10)

# Create a MatrixGUI object with 3 rows and 4 columns
mg = MatrixGUI(3, 4)
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