ΘΕΜΑ: tkinter notebook

from tkinter import*
from tkinter import ttk
 
root=Tk()
 
#notebook
nb = ttk.Notebook(root)
style = ttk.Style()
color = '#fff'
font = ('Times',11)
style.theme_settings("default", {"TNotebook.Tab": {"configure": {"padding": [10, 10, 10, 10], "background":color, "borderwidth":0, "font":font}}})
 
# 1 page
page1 = ttk.Frame(nb, width = 1015,height = 500)
label1=Label(page1, text = 'Σελίδα 1', height= 20, width=100)
label1.grid(column=0, row=0)
 
# 2 page
page2 = ttk.Frame(nb, width=1015, height=500)
label2=Label(page2, text = 'Σελίδα 2', height= 20, width=100)
label2.grid(column=0, row=0)
 
nb.add(page1, text='ένα')
nb.add(page2, text='δύο')
 
nb.grid(column=0, row=0)
 
root.mainloop()

# page1.py
from tkinter import ttk, Label
 
def page1(parent=None):
    p_1 = ttk.Frame(parent, width=1015, height=500)
    p_1.grid(column=0, row=0)
 
    label1=Label(p_1, text = 'Σελίδα 1', height= 20, width=100)
    label1.grid(column=0, row=0)
 
    return p_1
 
if __name__ == '__main__':
    page1()

# page2.py
from tkinter import ttk, Label
 
def page2(parent=None):
 
    p_2 = ttk.Frame(parent, width=1015,height=500)
    p_2.grid(column=0, row=0)
 
    label1=Label(p_2, text = 'Σελίδα 2', height= 20, width=100)
    label1.grid(column=0, row=0)
 
    return p_2
 
if __name__ == '__main__':
    page2()

# pages.py
from tkinter import *
from tkinter import ttk
 
import page1
from page2 import page2
r = Tk()
 
nb = ttk.Notebook(r)
nb.grid()
p1 = page1.page1(nb)
p2 = page2(nb)
nb.add(p1, text="Ένα")
nb.add(p2, text="Δύο")
 
 
mainloop()