Python Tkinter - resize widgets evenly in a window

Give all rows and columns the same non-zero weight.

For example:

self.grid_columnconfigure(0,weight=1)self.grid_columnconfigure(1,weight=1)self.grid_columnconfigure(2,weight=1)self.grid_rowconfigure(0,weight=1)self.grid_rowconfigure(1,weight=1)

Completing the answer provided by Bryan Oakley, the code for solving it in python 3 is the following.

Note that one option to manage the proportion for which the window resizes is setting the weight parameters for functions grid_columnconfigure(1,weight=1) and grid_rowconfigure(1,weight=1) to different values.

import tkinterclass simpleapp_tk(tkinter.Tk):    def __init__(self,parent):        tkinter.Tk.__init__(self,parent)        self.parent = parent        self.initialize()    def initialize(self):        self.grid()        label = tkinter.Label(self,anchor="center",bg="green")        label.grid(column=0,row=0,sticky='NSEW')        label2 = tkinter.Label(self,anchor="center",bg="black")        label2.grid(column=1,row=0,sticky='NSEW')        label3 = tkinter.Label(self,anchor="center",bg="red")        label3.grid(column=2,row=0,sticky='NSEW')        label4 = tkinter.Label(self,anchor="center",bg="purple")        label4.grid(column=0,row=1,sticky='NSEW')        label5 = tkinter.Label(self,anchor="center",bg="blue")        label5.grid(column=1,row=1,sticky='NSEW')        label6 = tkinter.Label(self,anchor="center",bg="yellow")        label6.grid(column=2,row=1,sticky='NSEW')        self.grid_columnconfigure(0,weight=1)        self.grid_columnconfigure(1,weight=1)        self.grid_columnconfigure(2,weight=1)        self.grid_rowconfigure(0,weight=1)        self.grid_rowconfigure(1,weight=1)if __name__ == "__main__":    app = simpleapp_tk(None)    app.title("Test App")    app.mainloop()