##########file main.py

def create_services_treeview(parent):
    global tree_frame, tree
    tree_frame = Frame(parent, bg=inner_background)
    tree_frame.pack(side=TOP)
    scrollbar = Scrollbar(tree_frame)
    scrollbar.pack(side=RIGHT, fill=Y)
    tree = ttk.Treeview(tree_frame, height=10, yscrollcommand=scrollbar.set)
    tree.config(selectmode='browse')
    tree['columns'] = ('1', '2', '3')
    tree['show'] = 'headings'
    tree.column('1', width=50, anchor=W)
    tree.column('2', width=600, anchor=W)
    tree.column('3', width=70, anchor=W)
    tree.heading('1', text='id')
    tree.heading('2', text='Name')
    tree.heading('3', text='Cost')
    tree.pack(side=TOP)
    scrollbar.config(command=tree.yview)
    mc.set_services_treeview(tree)


##########file mc.py

def set_services_treeview(treeview):
    services = Services().get_text()
    services_list = []
    for service in services:
        treeview.insert('', 'end', values=(service[0], service[1], service[2]))