import wx
import wx.calendar

class MyFrame(wx.Frame):
         def __init__(self, parent, title):
             wx.Frame.__init__(self, parent, -1, 'form title', wx.DefaultPosition, (414, 312), style=wx.CLOSE_BOX | wx.SYSTEM_MENU | wx.CAPTION | wx.RESIZE_BORDER | 0 | 0 | wx.MAXIMIZE_BOX | wx.MINIMIZE_BOX)
             self.panel = wx.Panel(self, -1)

             self.button1 = wx.Button(self.panel, -1, 'button', (128,120), (172, 56))
             self.button1.SetFont(wx.Font(8, wx.FONTFAMILY_DEFAULT, wx.FONTSTYLE_NORMAL, wx.FONTWEIGHT_NORMAL, 0, 'Microsoft Sans Serif'))
             self.button1.SetCursor(wx.StockCursor(wx.CURSOR_DEFAULT))
                  
#---------------------------------------- --- --- --- --------------------------
class MyApp(wx.App):
         def OnInit(self):
             frame = MyFrame(None, 'App')
             frame.Show(True)
             self.SetTopWindow(frame)
             return True

app = MyApp(True)
app.MainLoop()

import wx  
import wx.calendar  

class MyFrame(wx.Frame):  
       def __init__(self, parent, title):  
           wx.Frame.__init__(self, parent, -1, 'Proverka', wx.DefaultPosition, (414, 312), style=wx.CLOSE_BOX | wx.SYSTEM_MENU | wx.CAPTION | wx.RESIZE_BORDER | 0 | 0 | wx.MAXIMIZE_BOX | wx.MINIMIZE_BOX)  
           self.panel = wx.Panel(self, -1)  

           self.button = wx.Button(self.panel, -1, 'Proverka', (128,120), (172, 56))
            
           self.Bind(wx.EVT_BUTTON, self.Proverka, id=self.button.GetId())
            
       def Proverka(self, event):
             wx.MessageBox('proverka')
              
#------------------------------------------------- --------------------------  
class MyApp(wx.App):  
       def OnInit(self):  
           frame = MyFrame(None, 'App')  
           frame.Show(True)  
           self.SetTopWindow(frame)
           return True  
app = MyApp(True)  
app.MainLoop()