電卓作ってる

Python入門ということで電卓作ってる。とりあえず画面表示ができた。（このページも逐次更新していく予定）

#!/usr/bin/env/python

# -*- coding: utf8 -*-
# -*- coding: ascii -*-

import sys

import Tkinter as Tk

import numpy as np

i = 0
j = 0  
array = [['7','8','9','*'],['4','5','6','-'],['1','2','3','+'],['0','.','/','=']]   
strings = 0

def CulcValue(event):
            count = 0
            if count == 0:

         if array[i][j] == array[0][3] :
                    mul = 0
            mul += 1 #*
            count += 1
             elif  array[i][j] == array[1][3] :
            sub = 0    
            sub += 1 #-
            count += 1
             elif  array[i][j] == array[2][3] :
            add = 0    
            add += 1 #+
            count += 1
             elif  array[i][j] == array[3][1] :
            dec = 0    
            dec += 1 #.
            count += 1
             elif  array[i][j] == array[3][2] :
            div = 0    
            div += 1 #/
            count += 1
         elif  array[i][j] == array[3][3] :
            equ = 0
            equ += 1 #= 
            count += 1 
            if mul == 1:
                strings = value1*value2
                var.set(strings)
            elif sub == 1:
                strings = value1-value2
                var.set(strings)
            elif add == 1:
                strings = value1+value2
                var.set(strings)
            elif div ==1:
                strings = value1/value2
                var.set(strings)
            else:
                pass
             else:
               value1 = array[i][j]
      
            elif count == 1:
          value2 = array[i][j]
            else:
         pass

class Frame(Tk.Frame):
    def __init__(self,master=None):
        Tk.Frame.__init__(self,master,height=200,width=200)
        self.master.title('Nested Frames')
        
        var = Tk.StringVar()
        var.set("0")
    
        f_display = Tk.Frame(self,relief=Tk.RIDGE,bd=4)
        f_display.pack(fill=Tk.X,expand=1)

        display = Tk.Label(f_display, text=var,width=10, relief=Tk.SUNKEN, bd=2, anchor = Tk.E,font=('Helvetica', '24'), bg='white')
        display.grid(row=0, column=1, rowspan=2, sticky=Tk.N+Tk.S)   
        
        #Second Frame
        f2 = Tk.Frame(self,relief=Tk.RIDGE,bd=2)
        f2.pack(pady=2)
    
#      array = [['7','8','9','*'],['4','5','6','-'],['1','2','3','+'],['0','.','/','=']]   
        
        for i in range(4):
             for j in range(4):
                button = Tk.Button(f2,text=array[i][j])
            button.grid(row=i,column=j) 
        #f2.place(relx=0,rely=0)
                button.bind("<Button-1>", CulcValue)

if __name__ == '__main__':
    f = Frame()
    f.place()
#  f.pack()
    f.grid()
    f.mainloop()