from tkinter import *
def main():
    root = Tk()
    root.geometry('800x500')

    e1= Entry(root,width=50)
    e1.insert(0, "val1")
    e1.grid(row=2, column=0)
    val1 = e1.get()

    e2= Entry(root,width=50)
    e2.insert(0, "val2")
    e2.grid(row=4, column=0)
    val2 = e2.get()

if __name__ ==  "__main__":
    main()