montante_inical = float(input("Montante Inical: "))
taxa_inflacao =  float(input("Taxa anual de inflação: "))
prazo = float(input("Tempo em anos: "))
a = montante_inical* ((100/(100+taxa_inflacao))**prazo)
aarr = round(a,3)
print(f"O Montante final depois de {prazo} anos de inflação: {aarr}.")

# Usando Tkinter

from tkinter import *
root = Tk()
root.title("Montante depois de inflação")
root.geometry("400x400")
root.resizable(0, 0)
root.config(bg="#d9ead3")
def limpar():
    montante_inical_entrada.delete(0, END)
    taxa_inflação_entrada.delete(0, END)
    prazo_entrada.delete(0, END)
def app():
    p = prazo.get()
    r = taxa_inflação.get()
    m = montante_inical.get()
    a = m * ((100 / (100 + r)) ** p)
    arr = round(a,3)
    resultado.set(arr)
titulo = Label(text="Montante depois de inflação",
               font=("Arial", "15", "bold"),bg="#d9ead3",fg="#bf9000")
titulo.place(relx=0.18, rely=0.05)

texto_sub1  = Label(text="Montante Inical:",
                    font=("Arial", "13", "bold"),bg="#d9ead3",fg="#bf9000")
texto_sub1.place(relx=0.15, rely=0.25)
texto_sub2  = Label(text="Taxa Inflação:",
                    font=("Arial", "13", "bold"),bg="#d9ead3",fg="#bf9000")
texto_sub2.place(relx=0.15, rely=0.4)
texto_sub3= Label(text="Prazo:",
                    font=("Arial", "13", "bold"),bg="#d9ead3",fg="#bf9000")
texto_sub3.place(relx=0.28, rely=0.55)

montante_inical = DoubleVar()
montante_inical_entrada = Entry(textvariable=montante_inical,
                             font=("Arial", "12", "bold"),
                             bg="white", fg="blue", justify='center')
montante_inical_entrada.place(relx=0.55, rely=0.25, relwidth=0.25)

taxa_inflação = DoubleVar()
taxa_inflação_entrada = Entry(textvariable=taxa_inflação,
                             font=("Arial", "12", "bold"),
                             bg="white", fg="blue", justify='center')
taxa_inflação_entrada.place(relx=0.55, rely=0.4, relwidth=0.25)

prazo = IntVar()
prazo_entrada = Entry(textvariable=prazo,
                             font=("Arial", "12", "bold"),
                             bg="white", fg="blue", justify='center')
prazo_entrada.place(relx=0.55, rely=0.55, relwidth=0.25)

but1 = Button(text="Calculadora", bd=2, bg='#107db2', fg='white',
              font=('verdana', 10, 'bold'), command=app)
but1.place(relx=0.05, rely=0.65, relwidth=0.25, relheight=0.1)
but_limpar = Button(text="Limpar", bd=2, bg='#107db2', fg='white',
                    font=('verdana', 10, 'bold'), command=limpar)
but_limpar.place(relx=0.35, rely=0.65, relwidth=0.25, relheight=0.1)

but_sair = Button(text="Sair", bd=2, bg='#107db2', fg='white',
                    font=('verdana', 10, 'bold'), command=root.destroy)
but_sair.place(relx=0.65, rely=0.65, relwidth=0.25, relheight=0.1)
resultado = StringVar()
resultado_texto = Label(textvariable=resultado,
                           font=("Arial", 12, "bold"),bg="#d9ead3" )
resultado_texto.place(relx=0.5, rely=0.85, relwidth=0.3,relheight=0.08)

texto_sub4= Label(text=f"Montante final:",
                    font=("Arial", "13", "bold"),bg="#d9ead3",fg="#bf9000")
texto_sub4.place(relx=0.15, rely=0.85)
root.mainloop()