Tkinter not running program

Question

from tkinter import *

def raise_frame(frame):
    frame.tkraise()

root = Tk()

f1 = Frame(root)
f2 = Frame(root)
f3 = Frame(root)
f4 = Frame(root)

for frame in (f1, f2, f3, f4):
    frame.grid(row=0, column=0, sticky='news')

Button(f1, text='Go to frame 2', command=lambda:raise_frame(f2)).pack()
Label(f1, text='FRAME 1').pack()

Label(f2, text='FRAME 2').pack()
Button(f2, text='Go to frame 3', command=lambda:raise_frame(f3)).pack()

Label(f3, text='FRAME 3').pack(side='left')
Button(f3, text='Go to frame 4', command=lambda:raise_frame(f4)).pack(side='left')

Label(f4, text='FRAME 4').pack()
Button(f4, text='Goto to frame 1', command=lambda:raise_frame(f1)).pack()

raise_frame(f1)
root.mainloop

I was able to run other code but this one wouldn't load I don't know why.

You forgot your () after root.mainloop

RufusVS
– RufusVS

2021-04-10 16:23:52 +00:00
Commented Apr 10, 2021 at 16:23 — RufusVS
– RufusVS, Commented Apr 10, 2021 at 16:23

martineau · Accepted Answer · 2021-04-10 16:16:38Z

2

The last statement isn't calling mainloop — it should be:

...
raise_frame(f1)
root.mainloop()  # Note `()` at end.

answered Apr 10, 2021 at 16:16

martineau

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3 Comments

RufusVS Over a year ago

Oops, I should have read the answers before commenting!

martineau Over a year ago

@RufusVSL You can delete your comments…

RufusVS Over a year ago

I tend to leave my mistakes on file as a humbling cautionary tale for myself and others.

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