from tkinter import * 
class taxaesforco:

    def __init__(self):
        window = Tk() 
        window.title("Taxa de Esforço") 
        Label(window, text = "Rendimento Mensal Líquido: €")
             .grid(row = 1,column = 1, sticky = W)
        Label(window, text = "Crédito à habitação: €")
             .grid(row = 2,column = 1, sticky = W)
        Label(window, text = "Crédito Automóvel: €")
             .grid(row = 3,column = 1, sticky = W)
        Label(window, text = "Crédito Pessoal: €")
             .grid(row = 4,column = 1, sticky = W)
        Label(window, text = "Dívida do Cartão de Crédito: € ")
             .grid(row = 5,column = 1, sticky = W)
        Label(window, text = "Outros Créditos: € ")
             .grid(row = 6,column = 1, sticky = W)
        Label(window, text = "Taxa de Esforço (em %)")
             .grid(row = 7,column = 1, sticky = W)

        self.rendimentoVar = StringVar()
        Entry(window, textvariable = self.rendimentoVar,
            justify = RIGHT).grid(row = 1, column = 2)

        self.chabitacaoVar = StringVar()
        Entry(window, textvariable = self.chabitacaoVar,
            justify = RIGHT).grid(row = 2, column = 2)

        self.cautomovelVar = StringVar()
        Entry(window, textvariable = self.cautomovelVar,
            justify = RIGHT).grid(row = 3, column = 2)

        self.cpessoalVar = StringVar()
        Entry(window, textvariable = self.cpessoalVar,
            justify = RIGHT).grid(row = 4, column = 2)

        self.ccreditoVar = StringVar()
        Entry(window, textvariable = self.ccreditoVar,
            justify = RIGHT).grid(row = 5, column = 2)
        self.outrocroditoVar = StringVar()
        Entry(window, textvariable = self.outrocroditoVar,
            justify = RIGHT).grid(row = 6, column = 2)
        self.taxaesforcoVar = StringVar()
        lblesforco = Label(window, textvariable =
            self.taxaesforcoVar).grid(row = 7, column = 2,
                sticky = E)
        lbtComputePayment = Button(window,text ="Compute Payment",
            command=self.computePayment).grid(
                 row = 8, column = 2, sticky = E)
        window.mainloop()
    def computePayment(self):
        esforco = self.gettaxaesforco(
            float(self.rendimentoVar.get()),
            float(self.chabitacaoVar.get()),
            float(self.cautomovelVar.get()),
            float(self.cpessoalVar.get()),
            float(self.ccreditoVar.get()),
            float(self.outrocroditoVar.get()))
        self.taxaesforcoVar.set(format(esforco, '0.2f'))
    def gettaxaesforco(self,
            rendimento, chabitacao, cautomovel,cpessoal,ccredito,
            outrocrodito):
       credito=(chabitacao+cautomovel+cpessoal+ccredito
                +outrocrodito)
       esforco =(credito*100)/(rendimento)
       return esforco;
taxaesforco()