from tkinter import Tk
from tkinter import Entry
from tkinter.font import Font
 
def result(e):
        print(ent.get())

gyoker = Tk()
hevl36 = Font(family="Helvetica", size=30, weight="bold")
ent = Entry(gyoker, width=25)
ent.insert(0,"Valami szöveg")
ent.config(bg="#ffeeff", fg="#ff0000", bd=25, cursor="clock", font=hevl36)
ent.bind('<Return>', result)
ent.pack()
gyoker.mainloop()