Dias,Semanas,Meses e Anos (usando Tkinter)

from tkinter import *
from functools import partial

root = Tk()
root.title('Dias,Semanas,Meses e Anos')
root.geometry("400x250")
root.configure(background='#09A3BA')
root.resizable(False, False)
tempVal = "Celsius"
def store_temp(sel_temp):
    global tempVal
    tempVal = sel_temp
def converter( result_label1, result_label2,result_label3, entrada_var):
    tem = entrada_var.get()
    if tempVal == 'Dias':
        s = float((float(tem)*0.142857))
        sarr = round (s,6)
        m = float((float(tem) *0.032854))
        marr=round(m,6)
        a = float((float(tem) *0.00273785))
        arredando = round(a,6)
        result_label1.config(text="%f Anos" %arredando)
        result_label2.config(text="%f Meses" %marr)
        result_label3.config(text="%f Semanas" % sarr)
    if tempVal == 'Semanas':
        d = float((float(tem) *7))
        m = float((float(tem) * 0.229979))
        marr = round(m, 6)
        a = float((float(tem) * 0.019165))
        arredando = round(a, 6)
        result_label1.config(text="%f Anos" % arredando)
        result_label2.config(text="%f Meses" % marr)
        result_label3.config(text="%f Dias" % d)
    if tempVal == 'Meses':
        d = float((float(tem) *30.4375))
        darr = round(d,6)
        s = float((float(tem) * 4.3482))
        serr = round(s, 6)
        a = float((float(tem) * 0.083333))
        arredando = round(a, 6)
        result_label1.config(text="%f Anos" % arredando)
        result_label2.config(text="%f Semanas" % serr)
        result_label3.config(text="%f Dias" % darr)
    if tempVal == 'Anos':
        d = float((float(tem) *365.25))
        darr = round(d, 6)
        s = float((float(tem) *52.1786))
        serr = round(s, 6)
        m = float((float(tem) * 12))
        mrredando = round(m, 6)
        result_label1.config(text="%f Meses" % mrredando)
        result_label2.config(text="%f Semanas" % serr)
        result_label3.config(text="%f Dias" % darr)
    return
# Introduzir temperatura
texto = Label(text="Digite número a converter", background='#09A3BA',
              foreground="#FFFFFF",font=("arial","10","bold"))
texto.place(relx=0.05,rely=0.1)
entrada_var = DoubleVar()
var = Entry(textvariable=entrada_var,justify='center',font=("arial","12","bold"))
var.place(relx=0.5,rely=0.1)

# Mostrar resultados

result_label1 =Label(root, background='#09A3BA', foreground="#FFFFFF")
result_label1.place(relx=0.4, rely=0.7)
result_label2 =Label(root, background='#09A3BA', foreground="#FFFFFF")
result_label2.place(relx=0.4, rely=0.8)
result_label3 =Label(root, background='#09A3BA', foreground="#FFFFFF")
result_label3.place(relx=0.4, rely=0.9)

# Lista
var = StringVar()
lista = ["Dias", "Semanas", "Meses","Anos"]
oplista = OptionMenu(root, var, *lista, command=store_temp)
var.set(lista[0])
oplista.place(relx=0.4, rely=0.3)
oplista.config(background='#09A3BA', foreground="#FFFFFF")
oplista["menu"].config(background='#09A3BA', foreground="#FFFFFF")

converter = partial(converter, result_label1, result_label2,result_label3, entrada_var)
result_button = Button(root, text="Converter", command=converter,
                       background='#09A3BA', foreground="#FFFFFF")
result_button.place(relx=0.4, rely=0.5)
mainloop()
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Dias,Semanas,Meses e Anos (usando Tkinter)
