tkinter resizable layout via grid weight

tkinter_spring.py

import tkinter as tk


def asf(frame, prefix):
    lb = tk.Listbox(frame)
    for i in range(10):
        lb.insert(i, f'{prefix} {i}')
    return lb


def make_top_left_frame(root):
    tl = tk.Frame(root, background="red", width=100, height=50)
    lb = asf(tl, 'tl')
    lb.pack(expand=True, fill=tk.BOTH)
    return tl


def make_tr_list_box(root):
    return asf(root, 'tr')


def make_hello_bar(root):
    frame = tk.Frame(root, background='yellow', border=10)
    frame.columnconfigure(1, weight=1)
    btn = tk.Button(frame, text='hello')
    btn.grid(row=1, column=1, sticky='e')
    return frame


def make_top_right_frame(root):
    frame = tk.Frame(root, background="orange", width=100, height=50)
    frame.rowconfigure(1, weight=1)
    frame.columnconfigure(1, weight=1)
    lb = asf(frame, 'tr')
    lb.grid(row=1, column=1, sticky='nsew')
    hello_bar = make_hello_bar(frame)
    hello_bar.grid(row=2, column=1, sticky='nsew')
    return frame


def make_bottom_left_frame(root):
    bl = tk.Frame(root, background="green", width=100, height=50)
    return bl


def make_bottom_right_frame(root):
    br = tk.Frame(root, background="blue", width=100, height=50)
    return br


def make_root():
    root = tk.Tk()
    root.columnconfigure(2, weight=1)
    root.rowconfigure(1, weight=1)
    tl = make_top_left_frame(root)
    tl.grid(row=1, column=1, sticky='nsew')

    tr = make_top_right_frame(root)
    tr.grid(row=1, column=2, sticky='nsew')

    bl = make_bottom_left_frame(root)
    bl.grid(row=2, column=1, sticky='nsew')

    br = make_bottom_right_frame(root)
    br.grid(row=2, column=2, sticky='nsew')

    return root


def main():
    root = make_root()
    root.mainloop()


if __name__ == '__main__':
    main()