Variação Percentual Anualizada

from tkinter import *
root = Tk()
root.geometry("400x400")
root.resizable(0, 0)
root.config(bg="#d9ead3")
root.title("Variação Percentual Anualizada")

def limpar():
    valor_inicial_entrada.delete(0, END)
    prazo_entrada.delete(0, END)
    Valor_final_entrada.delete(0, END)

def app():
    vi = valor_inicial.get()
    vf = Valor_final.get()
    p = prazo.get()
    variacao_absoluta = vf - vi
    taxa_variacao_anual = (variacao_absoluta / vi) / p
    variacao_percentual_anualizada = taxa_variacao_anual * 100
    variacao_percentual_anualizadaarr = round(variacao_percentual_anualizada,2)
    resultado.set(variacao_percentual_anualizadaarr)
titulo = Label(text="Variação Percentual Anualizada",
               font=("Arial", "18", "bold"),bg="#d9ead3",fg="#bf9000")
titulo.place(relx=0.05, rely=0.05)
texto_sub1  = Label(text="Valor Inicial:",
                    font=("Arial", "12", "bold"),bg="#d9ead3",fg="#bf9000")
texto_sub1.place(relx=0.2, rely=0.25)

texto_sub2  = Label(text="Valor Final:",
                    font=("Arial", "12", "bold"),bg="#d9ead3",fg="#bf9000")
texto_sub2.place(relx=0.21, rely=0.4)

texto_sub3  = Label(text="Periodo (em anos) :",
                    font=("Arial", "12", "bold"),bg="#d9ead3",fg="#bf9000")
texto_sub3.place(relx=0.05, rely=0.55)

valor_inicial = DoubleVar()
valor_inicial_entrada = Entry(textvariable=valor_inicial,
                             font=("Arial", "12", "bold"),
                             bg="white", fg="blue", justify='center')
valor_inicial_entrada.place(relx=0.45, rely=0.25, relwidth=0.35)

Valor_final = DoubleVar()
Valor_final_entrada = Entry(textvariable=Valor_final,
                             font=("Arial", "12", "bold"),
                             bg="white", fg="blue", justify='center')
Valor_final_entrada.place(relx=0.45, rely=0.4, relwidth=0.35)

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

#
but1 = Button(text="Verificar", bd=2, bg='#107db2', fg='white',
              font=('verdana', 12, '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', 12, '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', 12, 'bold'), command=root.destroy)
but_sair.place(relx=0.65, rely=0.65, relwidth=0.25, relheight=0.1)

texto_sub4=Label(text="Variação Percentual Anualizada",
                    font=("Arial", "12", "bold"),bg="#d9ead3",fg="#bf9000")
texto_sub4.place(relx=0.18, rely=0.8)
resultado = StringVar()
resultado_texto = Label(textvariable=resultado,
                           font=("Arial", 12, "bold"), bg="#cfe2f3")
resultado_texto.place(relx=0.1, rely=0.85, relwidth=0.8,relheight=0.1)
root.mainloop()
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Variação Percentual Anualizada
