# frame => a rectangular container to group and hold widgets

from tkinter import *

window = Tk()
window.geometry("200x200")
frame = Frame(window, bg="pink", bd=5,relief=SUNKEN)
frame.place(x=30, y=50)

Button(frame, text="W", font=("Consolas", 15), width=3).pack(side=TOP)
Button(frame, text="A", font=("Consolas", 15), width=3).pack(side=LEFT)
Button(frame, text="S", font=("Consolas", 15), width=3).pack(side=LEFT)
Button(frame, text="D", font=("Consolas", 15), width=3).pack(side=LEFT)

window.mainloop()