from tkinter import *
window = Tk()
def from_kg():
    gram = float(e2_value.get()) * 1000
    pound = float(e2_value.get()) * 2.20462
    ounce = float(e2_value.get()) * 35.274

    t1.delete("1.0", END)
    t1.insert(END, GRAM)

    t2.delete("1.0", END)
    t2.insert(END, GRAM)

    t3.delete("1.0", END)
    t3.insert(END, GRAM)

    e1 = Label(window, text="Enter the weight in Kg")
    e2_value = StringVar()
    e2 = Entry(window, contextvariable=e2_value)
    e3 = Label(window, text='Gram')
    e3 = Label(window, text='Pounds')
    e3 = Label(window, text='Ounce')

    t1 = Text(window, height=1, width=20)
    t2 = Text(window, height=1, width=20)
    t3 = Text(window, height=1, width=20)

    b1 = Button(window, text='Convert', command=from_kg)

    e1.grid(row=0, column=0)
    e2.grid(row=0, column=1)
    e3.grid(row=1, column=0)
    e4.grid(row=1, column=1)
    e5.grid(row=1, column=2)
    t1.grid(row=2, column=0)
    t2.grid(row=2, column=1)
    t3.grid(row=2, column=2)
    b1.grid(row=0, column=2)

    window.mainloop()
from tkinter import *
window = Tk()
def from_kg():
    gram = float(e2_value.get()) * 1000
    pound = float(e2_value.get()) * 2.20462
    ounce = float(e2_value.get()) * 35.274

    t1.delete("1.0", END)
    t1.insert(END, GRAM)

    t2.delete("1.0", END)
    t2.insert(END, GRAM)

    t3.delete("1.0", END)
    t3.insert(END, GRAM)

    e1 = Label(window, text="Enter the weight in Kg")
    e2_value = StringVar()
    e2 = Entry(window, contextvariable=e2_value)
    e3 = Label(window, text='Gram')
    e3 = Label(window, text='Pounds')
    e3 = Label(window, text='Ounce')

    t1 = Text(window, height=1, width=20)
    t2 = Text(window, height=1, width=20)
    t3 = Text(window, height=1, width=20)

    b1 = Button(window, text='Convert', command=from_kg)

    e1.grid(row=0, column=0)
    e2.grid(row=0, column=1)
    e3.grid(row=1, column=0)
    e4.grid(row=1, column=1)
    e5.grid(row=1, column=2)
    t1.grid(row=2, column=0)
    t2.grid(row=2, column=1)
    t3.grid(row=2, column=2)
    b1.grid(row=0, column=2)

    window.mainloop()