Create-GUI-App-Python-Tkinter-FULL-TUTORIAL/lesson21.py at main · turtlecode/Create-GUI-App-Python-Tkinter-FULL-TUTORIAL · GitHub

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from tkinter import *
from tkinter import ttk

root = Tk()

root.title("Tkinter")
root.geometry("500x500")

ttk.Label(root, text ="Treeview(hierarchical)").pack()

treeview = ttk.Treeview(root)

treeview.pack()

treeview.insert('', '0', 'item1',
                text ='Turtle Code')

treeview.insert('', '1', 'item2',
                text ='Computer Science')
treeview.insert('', '2', 'item3',
                text ='GATE papers')
treeview.insert('', 'end', 'item4',
                text ='Programming Languages')

treeview.insert('item2', 'end', 'Algorithm',
                text ='Algorithm')
treeview.insert('item2', 'end', 'Data structure',
                text ='Data structure')
treeview.insert('item3', 'end', '2018 paper',
                text ='2018 paper')
treeview.insert('item3', 'end', '2019 paper',
                text ='2019 paper')
treeview.insert('item4', 'end', 'Python',
                text ='Python')
treeview.insert('item4', 'end', 'Java',
                text ='Java')

treeview.move('item2', 'item1', 'end')
treeview.move('item3', 'item1', 'end')
treeview.move('item4', 'item1', 'end')

root.mainloop()