Answers for "in <lambda> tk.Button(self.frame, text = text, command= lambda:self.new_window(number, _class)).grid(padx= 5, pady= 5, sticky= N + E + W + S) File "C:\Users\CSB\Desktop\python program\triple_window.py", line 50, in new_window"

in <lambda> tk.Button(self.frame, text = text, command= lambda:self.new_window(number, _class)).grid(padx= 5, pady= 5, sticky= N + E + W + S) File "C:\Users\CSB\Desktop\python program\triple_window.py", line 50, in new_window

tk.Button(self.frame, text = text,  command= lambda:self.new_window(number, _class)).grid(padx= 5, pady= 5, sticky= N + E + W + S)