text: import tkinter as tk
  import pandas as pd
  #from Data import Data
  from NewClient import NewClient
  from NewCorporation import NewCorporation
  from SearchClient import SearchClient
  from SearchDate import SearchDate
  from SearchCorporation import SearchCorporation
  from Dates import Reminder
  
  
  def addClient():
      "Execute class NewClient"
      top = tk.Tk()
      new_client = NewClient(master=top)
      new_client.addButtons()
  
  def addCorporation():
      "Execute class NewCorporation"
      top = tk.Tk()
      new_corporation = NewCorporation(master=top)
      new_corporation.addButtons()
  
  def searchClient():
      "Execute class SearchClient"
      top = tk.Tk()
      client_search = SearchClient(master=top)
  
  def searchDate():
      "Execute class searchDate"
      top = tk.Tk()
      date_search = SearchDate(master=top)
      
  def editCorporation():
      "Execute class EditCorporation"
      top = tk.Tk()
      corp = SearchCorporation(master=top)
  
      
  #data = Data()
  root = tk.Tk()
  menubar = tk.Menu(root)
  
  frame1 = tk.Frame(root)
  frame1.grid()
  
  for i in range(5):
      tk.Label(frame1, text='                                                ').grid()
  
  frame2 = tk.LabelFrame(root, text="Vencimentos")
  frame2.grid()
  
  reminder = Reminder(frame2)
  
  addmenu = tk.Menu(menubar, tearoff=0)
  addmenu.add_command(label="Novo Cliente", command=addClient)
  addmenu.add_command(label="Nova Corporação", command=addCorporation)
  menubar.add_cascade(label="Adicionar", menu=addmenu)
  
  searchmenu = tk.Menu(menubar, tearoff=0)
  searchmenu.add_command(label="Buscar Cliente", command=searchClient)
  searchmenu.add_command(label="Buscar Datas", command=searchDate)
  menubar.add_cascade(label="Consultar", menu=searchmenu)
  
  editmenu = tk.Menu(menubar, tearoff=0)
  editmenu.add_command(label="Editar Corporação", command=editCorporation)
  menubar.add_cascade(label="Editar", menu=editmenu)
  
  root.config(menu=menubar)
  root.mainloop()
  #data.db.close()
  