# Import the required libraries from tkinter import * from tkinter import ttk # Create an instance of tkinter frame win=Tk() # Set the size of the tkinter window win.geometry("700x350") # Create an instance of Style widget style=ttk.Style() style.theme_use('clam') # Add a Treeview widget tree=ttk.Treeview(win, column=("c1", "c2"), show='headings', height=8) tree.column("# 1",anchor=CENTER, stretch=NO, width=100) tree.heading("# 1", text="ID") tree.column("# 2", anchor=CENTER, stretch=NO) tree.heading("# 2", text="Programming Language") # Insert the data in Treeview widget tree.insert('', 'end',text="1",values=('1','C++')) tree.insert('', 'end',text="2",values=('2', 'Java')) tree.insert('', 'end',text="3",values=('3', 'Python')) tree.insert('', 'end',text="4",values=('4', 'Golang')) tree.insert('', 'end',text="5",values=('5', 'JavaScript')) tree.insert('', 'end',text="6",values=('6', 'C# ')) tree.insert('', 'end',text="7",values=('6', 'Rust')) tree.insert('', 'end',text="8",values=('6', 'SQL')) tree.pack() win.mainloop()