Detailed interpretation of Python form of tkinter tree data of Treeview

As shown below:

import tkinter
from tkinter import ttk # Import internals 
 
win=tkinter.Tk()
tree=ttk.Treeview(win)
 
   # parameter :parent, index, iid=None, **kw ( Parent node, insert location, id , the text displayed )
myid=tree.insert("",0," China ",text=" China China",values=("1")) # "" Indicates that the parent node is the root 
myidx1=tree.insert(myid,0," guangdong ",text=" China guangdong ",values=("2")) # text Represents the text displayed, values Is a hidden value 
myidx2=tree.insert(myid,1," jiangsu ",text=" China jiangsu ",values=("3"))
myidy=tree.insert("",1," The United States ",text=" The United States USA",values=("4")) 
myidy1=tree.insert(myidy,0," California ",text=" The United States of California ",values=("5"))
 
tree.pack()
win.mainloop()