Python tkinter Calculator

tkCalc

import tkinter as tk

def buttonpressed(i):
  if i != '=':
    entry.insert(tk.END, i)
  else:
    expression = entry.get()
    try:
      value = eval(expression)
      new_string = f'{value: ,}'
      entry.delete(0, tk.END)
      entry.insert(0, new_string)
    except Exception as e:
      entry.delete(0, tk.END)
      entry.insert(0, e)

root = tk.Tk()
root.title = 'Python Calculator'

entry = tk.Entry(root, width=26, borderwidth=5, font=('Consolas', 12))
entry.grid(row=0, column=0, padx=10, pady=10, columnspan=5)

btn_frame = tk.Frame(root, width=40, height=100)
btn_frame.grid(row=1, columnspan=5)

buttonText = ['7', '8', '9', '/', '*', '4', '5', '6', '-', '+', '0', '1', '2', '3', '=']
i = j = 0
for x in buttonText:
  b = tk.Button(btn_frame, width=5, text=x, command= lambda x = x: buttonpressed(x))
  b.grid(row=i, column=j, ipadx=2, ipady=4)
  j+=1
  if j == 5:
    i+=1
    j = 0

del_btn = tk.Button(root, text='Clear', width=30, command= lambda: entry.delete(0, tk.END))
del_btn.grid(row=2, columnspan=5, ipadx=5, ipady=4)
root.mainloop()