Create a calculator using python

import tkinter as tk

def button_click(symbol):

if symbol == '=':

try:

result = eval(entry.get())

entry.delete(0, tk.END)

entry.insert(tk.END, str(result))

except:

entry.delete(0, tk.END)

entry.insert(tk.END, "Error")

elif symbol == 'C':

entry.delete(0, tk.END)

else:

entry.insert(tk.END, symbol)

root = tk.Tk()

root.title("Simple Calculator")

entry = tk.Entry(root, width=20, font=('Arial', 14))

entry.grid(row=0, column=0, columnspan=4)

buttons = [

('7', 1, 0), ('8', 1, 1), ('9', 1, 2), ('/', 1, 3),

('4', 2, 0), ('5', 2, 1), ('6', 2, 2), ('*', 2, 3),

('1', 3, 0), ('2', 3, 1), ('3', 3, 2), ('-', 3, 3),

('0', 4, 0), ('.', 4, 1), ('=', 4, 2), ('+', 4, 3),

('C', 5, 0)

]

for (symbol, row, column) in buttons:

button = tk.Button(root, text=symbol, width=5, height=2, font=('Arial', 14),

command=lambda s=symbol: button_click(s))

button.grid(row=row, column=column)

root.mainloop()