Python-сообщество

 # -*- coding: cp1251 -*-
# -*- coding: UTF-8 -*-
from Tkinter import *
from sys import*
def exit():
    """Выход из проги""" 
    root.destroy()    
def solver(text1):
    
   if x1 >= 0:
       x1= bin(text1)
       text = "this nuber is: %s \n x1"%(text1, x1)
       return text
def solver(txt_val1):
    if x1>=0:
        x1=oct(txt_val1)
        text = "this nuber is: %s \n x1"%(txt_val1, x1)
        return text
    
def inserter(value):
    """ Функция вставки информации """
    output.delete("0.0","end")
    output.insert("0.0",value)
def clear(event):
    """ Очищает поле """
    caller = event.widget
    caller.delete("0", "end")
def tenvtwo():
   
    try:
        txt_val = float(text1.get())
        inserter(solver(txt_val))
    except ValueError:
        inserter("nevernoe chislo")
def tenveight():
    try:
        txt_val1=int(text1.get())
        inserter(solver(txt_val1))
    except ValueError:
        inserter("nevernoe chislo")
def tenvsixteen():
    inserter("lol3")
def twovten():
   inserter("lol4")
    
def sixteenvten():
    inserter("lol5")
    
def twovsixteen():
    inserter("lol6")
    
def sixteenvtwo():
   inserter("lol7")
root = Tk()
root.title(u"Калькулятор систем счисления")
root.geometry('400x300')
lab = Label(root, height=1, width=10, text=u"Ввод данных")
lab.place(x=45,y=20)
lab1 = Label(root, height=1, width=10, text=u"Результат")
lab1.place(x=45,y=230)
text1=Text(root,height=1,width=10,font='Arial 14',wrap=WORD)
text1.bind("<FocusIn>", clear)
text1.place(x=45,y=50)
but2 = Button(root, bg="yellow", text=u"Выход", command=exit)
but2.place(x=350,y=250)
but3 = Button(root, bg="green", text=u"10 в 2", command = tenvtwo)
but3.place(x=45,y=90)
but4 = Button(root, bg="green", text=u"10 в 8", command = tenveight)
but4.place(x=100,y=90)
but5 = Button(root, bg="green", text=u"10 в 16", command = tenvsixteen)
but5.place(x=170,y=90)
but6 = Button(root, bg="green", text=u"2 в 10", command=twovten)
but6.place(x=240,y=90)
but7 = Button(root, bg="green", text=u"16 в 10", command=sixteenvten)
but7.place(x=45,y=120)
but8 = Button(root, bg="green", text=u"2 в 16", command=twovsixteen)
but8.place(x=100,y=120)
but9 = Button(root, bg="green", text=u"16 в 2", command=sixteenvtwo)
but9.place(x=170,y=120)
output = Text(root, font="Arial 14", height=1, width=10)
output.bind("<FocusIn>", clear)
output.place(x=48,y=250)
mainloop()