How to retreive the grid location of an Entry widget

[kenwatts275]

Thank you Larz60,
I tried using the grid_info method and it is still returning row 4 column 1 no matter which entry widget I am entering values.

from tkinter import *
from tkinter import ttk

def set_input(frame,self):
    row = self.grid_info()["row"]
    col = self.grid_info()["column"]
    print("row "+str(row)+", column "+str(col))
    return(True)

mw = Tk()
# 999x999 is size of window, 999+999 is the location of the window
mw.geometry('600x200+400+200')
mw.title("test program")

frame1 = Frame(mw)
frame1.pack(side=TOP)
framebot = Frame(mw)
framebot.pack(side=BOTTOM,fill=X)

field_labels = ["field1","field2","field3"]
values = []
for i in range(0,5):
       values.append([])
       j = 0
       values[i].append(Entry(frame1,validate="focusout",validatecommand=lambda:set_input(frame1,values[i][j])))
       values[i][j].grid(row=i,  column= j)
       j += 1
       values[i].append(ttk.Combobox(frame1,values=field_labels,validate="focusout",validatecommand=lambda:set_input(frame1,values[i][j])))
       values[i][j].grid(row=i,  column= j)

btn = Button(framebot,text='Exit',font=("Times",16),command=mw.quit).pack(side="left")

mw.mainloop()