from tkinter import *
root = Tk()
root.geometry("400x400")
root.resizable(0, 0)
root.config(bg="#10659e")
root.title("Calcular Valor Ajustado")
titulo = Label(text="Calcular Valor Ajustado",
               font=("Arial", "25", "bold"),bg="#10659e",fg="#d9ead3")
titulo.place(relx=0.05, rely=0.05)
texto_sub1  = Label(text="Valor Original:",
                    font=("Arial", "15", "bold"),bg="#10659e",fg="#d9ead3")
texto_sub1.place(relx=0.15, rely=0.25)

texto_sub2  = Label(text="Indice Inicial:",
                    font=("Arial", "15", "bold"),bg="#10659e",fg="#d9ead3")
texto_sub2.place(relx=0.15, rely=0.35)
texto_sub3  = Label(text="Indice Final:",
                    font=("Arial", "15", "bold"),bg="#10659e",fg="#d9ead3")
texto_sub3.place(relx=0.15, rely=0.45)

Valor_Original = DoubleVar()
Valor_Original_entrada = Entry(textvariable=Valor_Original,
                             font=("Arial", "12", "bold"),
                             bg="white", fg="blue", justify='center')
Valor_Original_entrada.place(relx=0.55, rely=0.25, relwidth=0.35)

Indice_Inicial = DoubleVar()
Indice_Inicial_entrada = Entry(textvariable=Indice_Inicial,
                             font=("Arial", "12", "bold"),
                             bg="white", fg="blue", justify='center')
Indice_Inicial_entrada.place(relx=0.55, rely=0.35, relwidth=0.35)

Indice_Final = DoubleVar()
Indice_Final_entrada = Entry(textvariable=Indice_Final,
                             font=("Arial", "12", "bold"),
                             bg="white", fg="blue", justify='center')
Indice_Final_entrada.place(relx=0.55, rely=0.45, relwidth=0.35)

def limpar():
    Indice_Final_entrada.delete(0, END)
    Indice_Inicial_entrada.delete(0, END)
    Valor_Original_entrada.delete(0, END)
    resultado.set("")
def app():
    ind_inicial = Indice_Inicial.get()
    ind_final = Indice_Final.get()
    v_original = Valor_Original.get()
    valor_ajustado = v_original * (ind_final / ind_inicial)
    valor_ajustadoarr = round(valor_ajustado,2)
    mensagem = f'Valor ajustado: {valor_ajustadoarr}.'
    resultado.set(mensagem)
but1 = Button(text="Verificar", bd=2, bg='#107db2', fg='white',
              font=('verdana', 12, 'bold'),command=app)
but1.place(relx=0.05, rely=0.6, relwidth=0.25, relheight=0.1)
but_limpar = Button(text="Limpar", bd=2, bg='#107db2', fg='white',
                    font=('verdana', 12, 'bold'), command=limpar)
but_limpar.place(relx=0.35, rely=0.6, relwidth=0.25, relheight=0.1)

but_sair = Button(text="Sair", bd=2, bg='#107db2', fg='white',
                    font=('verdana', 12, 'bold'), command=root.destroy)
but_sair.place(relx=0.65, rely=0.6, relwidth=0.25, relheight=0.1)
resultado = StringVar()
resultado_texto = Label(textvariable=resultado,
                           font=("Arial", 12, "bold"), bg="#cfe2f3")
resultado_texto.place(relx=0.05, rely=0.73, relwidth=0.9,relheight=0.2)
root.mainloop()