import tkinter as tk

class DialPad(tk.Tk):
    def __init__(self):
        super().__init__()

        # Set up the main window
        self.title("Phone Dial Pad")
        self.geometry("400x500")

        # Create the text field to display the dialed number
        self.number_var = tk.StringVar()
        self.number_entry = tk.Entry(self, textvariable=self.number_var, font=("Helvetica", 16), justify="right")
        self.number_entry.grid(row=0, column=0, columnspan=3, padx=10, pady=10, ipadx=10, ipady=10)

        # Create the dial pad buttons
        pad_buttons = [
            ("1", 1, 0), ("2", 1, 1), ("3", 1, 2),
            ("4", 2, 0), ("5", 2, 1), ("6", 2, 2),
            ("7", 3, 0), ("8", 3, 1), ("9", 3, 2),
            ("*", 4, 0), ("0", 4, 1), ("#", 4, 2),
        ]
        
        for button_text, row, column in pad_buttons:
            button = tk.Button(self, text=button_text, font=("Helvetica", 16), command=lambda text=button_text: self.add_digit(text))
            button.grid(row=row, column=column, padx=10, pady=10, ipadx=20, ipady=20)

        # Create the clear button
        clear_button = tk.Button(self, text="Clear", font=("Helvetica", 16), command=self.clear_number)
        clear_button.grid(row=5, column=0, columnspan=3, padx=10, pady=10, ipadx=100, ipady=10)

    def add_digit(self, digit):
        current_number = self.number_var.get()
        self.number_var.set(current_number + digit)

    def clear_number(self):
        self.number_var.set("")

if __name__ == "__main__":
    app = DialPad()
    app.mainloop()