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simplecalculator.py
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simplecalculator.py
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import tkinter as tk
root=tk.Tk()
root.title("simple calculator")
def on_button_click(button_text):
if button_text == "=":
try:
result = eval(entry.get())
entry.delete(0,tk.END)
entry.insert(tk.END,str(result))
except Exception as e:
entry.delete(0,tk.END)
entry.insert(tk.END,"Error")
elif button_text == "C":
entry.delete(0,tk.END)
else:
entry.insert(tk.END,button_text)
entry=tk.Entry(root,width=12,font=("Arial",17))
entry.grid(row=0,column=0,columnspan=4)
buttons=[
'7','8','9','/',
'4','5','6','*',
'0','.','C','+',
'=',
]
row_index,col_index =1,0
for button_text in buttons:
button=tk.Button(root,text=button_text,width=5,height=2,font=('Arial',15),command=lambda btn=button_text:on_button_click(btn))
button.grid(row=row_index,column=col_index)
col_index += 1
if col_index >3:
col_index = 0
row_index +=1
root.mainloop()