from tkinter import *
root = Tk()
root.geometry("400x400")
root.resizable(0, 0)
root.config(bg="#0993b3")
root.title("Tempo")
def limpar():
    velocidade_entrada.delete(0, END)
    dist_entrada.delete(0, END)
    resultado.set("")

def app():
    d = dist.get()
    v = velocidade.get()
    t = d/v
    horas = int(t)
    minutos = int((t - horas) * 60)
    mensagem = f'Levará {horas} horas e {minutos} minutos para chegar.'
    resultado.set(mensagem)


titulo = Label(text="Tempo",
               font=("Arial", "45", "bold"),bg="#0993b3",fg="#e8f7fa")
titulo.place(relx=0.25, rely=0.05)
texto_sub1 =Label(text="Distância Total :",
                    font=("Arial", "15", "bold"),bg="#0993b3",fg="#e8f7fa")
texto_sub1.place(relx=0.15, rely=0.35)

texto_sub2 =Label(text="Velocidade :",
                    font=("Arial", "15", "bold"),bg="#0993b3",fg="#e8f7fa")
texto_sub2.place(relx=0.23, rely=0.5)

dist = DoubleVar()
dist_entrada = Entry(textvariable=dist,
                             font=("Arial", "12", "bold"),
                             bg="white", fg="blue", justify='center')
dist_entrada.place(relx=0.6, rely=0.35, relwidth=0.25)

velocidade = DoubleVar()
velocidade_entrada = Entry(textvariable=velocidade,
                             font=("Arial", "12", "bold"),
                             bg="white", fg="blue", justify='center')
velocidade_entrada.place(relx=0.6, rely=0.5, relwidth=0.25)

but1 = Button(text="Calcular", 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)
resultado = StringVar()
resultado_texto = Label(textvariable=resultado,
                           font=("Arial", 12, "bold"), bg="#cfe2f3")
resultado_texto.place(relx=0.05, rely=0.8, relwidth=0.9,relheight=0.1)
root.mainloop()