Converter Milha Terrestre para Milha Naútica e Converter Milha Naútica para Milha Terrestre

from tkinter import *
from tkinter import ttk
root=Tk()
class appmilha():
    def __init__(self):
        self.root = root
        self.janela()
        self.frames_da_janela()
        self.widgets_frame1()
        self.Menus()
        root.mainloop()

    def janela(self):
        self.root.title("Milha")
        self.root.configure(background='#1e3743')
        self.root.geometry("600x200")
        self.root.resizable(0,0)
    def frames_da_janela(self):
        self.frame_1 = Frame(self.root, bd=4,
                             bg='#dfe3ee',
                             highlightbackground='#759fe6',
                             highlightthickness=2)
        self.frame_1.place(relx=0.02, rely=0.02,
                           relwidth=0.96, relheight=0.96)
    def widgets_frame1(self):
        self.abas = ttk.Notebook(self.frame_1)
        self.milhaterreste = Frame(self.abas)
        self.milhanautica = Frame(self.abas)

        self.milhaterreste.configure(background="#dfe3ee")
        self.milhanautica.configure(background="#dfe3ee")

        self.abas.add(self.milhaterreste,
                      text="Converter Milha Terrestre para Milha Naútica")
        self.abas.add(self.milhanautica, text="Converter Milha Naútica para Milha Terrestre")
        self.abas.place(relx=0, rely=0, relwidth=0.98, relheight=0.98)
        # Converter Milha Terrestre para Milha Naútica
        self.rmilhaterrestre = DoubleVar()
        self.lb_rmilhaterrestre = Label(self.milhaterreste,
                                      text="Milha Terrestre"
                                      ,bg='#dfe3ee', fg='#107db2',font=("arial","12","bold"))
        self.lb_rmilhaterrestre.place(relx=0.2, rely=0.05)
        self.rmilhaterrestre_entry = Entry(self.milhaterreste,
                                         textvariable=self.rmilhaterrestre,justify='center',
                                           font=("arial","12","bold"),fg="brown")
        self.rmilhaterrestre_entry.place(relx=0.6, rely=0.05, relwidth=0.15)
        self.bt_calcular1 = Button(self.milhaterreste, text="Calcular",
                                   bd=2,bg='#107db2', fg='white',
                                   font=('verdana', 14, 'bold'),
                                   command=self.butaoclick1)
        self.bt_calcular1.place(relx=0.25, rely=0.3, relwidth=0.2, relheight=0.2)

        self.bt_limpar1 = Button(self.milhaterreste, text="Limpar",
                                 bd=2, bg='#107db2', fg='white',
                                 font=('verdana', 14, 'bold'),
                                 command=self.limpar1)
        self.bt_limpar1.place(relx=0.6, rely=0.3, relwidth=0.2, relheight=0.2)
        self.resultadonautica = StringVar()
        self.resultado1 = Label(self.milhaterreste,
                                textvariable=self.resultadonautica,font=("arial","12","bold"))
        self.resultado1.place(relx=0.55, rely=0.7, relwidth=0.3)
        self.lb_resultado1 = Label(self.milhaterreste, text="Resultado da Milhas Naúticas:",
                                   bg='#dfe3ee', fg='#107db2',font=("arial","10","bold"))
        self.lb_resultado1.place(relx=0.25, rely=0.7)
        #Converter Milha Naútica para Milha Terrestre

        self.rmilhanaútica = DoubleVar()
        self.lb_milhanaútica  = Label(self.milhanautica,
                                    text="Milhas Naúticas"
                                    , bg='#dfe3ee', fg='#107db2', font=("arial", "12", "bold"))
        self.lb_milhanaútica .place(relx=0.2, rely=0.05)
        self.milhanaútica_entry = Entry(self.milhanautica,
                                       textvariable=self.rmilhanaútica, justify='center',
                                       font=("arial", "12", "bold"), fg="brown")
        self.milhanaútica_entry.place(relx=0.6, rely=0.05, relwidth=0.15)
        self.bt_calcular2 = Button(self.milhanautica, text="Calcular",
                               bd=2, bg='#107db2', fg='white',
                               font=('verdana', 14, 'bold'),
                               command=self.butaoclick2)
        self.bt_calcular2.place(relx=0.25, rely=0.3, relwidth=0.2, relheight=0.2)
        self.bt_limpar2 = Button(self.milhanautica, text="Limpar",
                                   bd=2, bg='#107db2', fg='white',
                                   font=('verdana', 14, 'bold'),
                                   command=self.limpar2)
        self.bt_limpar2.place(relx=0.6, rely=0.3, relwidth=0.2, relheight=0.2)


        self.resultadoterrestre = StringVar()
        self.resultado2 = Label(self.milhanautica,
                                textvariable=self.resultadoterrestre,
                                font=("arial", "12", "bold"))
        self.resultado2.place(relx=0.55, rely=0.7, relwidth=0.3)
        self.lb_resultado2 = Label(self.milhanautica, text="Resultado da Milhas Terrestre:",
                               bg='#dfe3ee', fg='#107db2', font=("arial", "10", "bold"))
        self.lb_resultado2.place(relx=0.25, rely=0.7)

    def limpar1(self):
        self.rmilhaterrestre_entry.delete(0, END)

    def limpar2(self):
       self.milhanaútica_entry.delete(0, END)
    def butaoclick1(self):
        t = self.rmilhaterrestre.get()
        calcular = t*1.1507794
        rarredondar = round(calcular,5)
        return self.resultadonautica.set(rarredondar)
    def butaoclick2(self):
        n = self.rmilhanaútica.get()
        calcular2 = n/1.1507794
        valorterrestre = round(calcular2,5)
        return self.resultadoterrestre.set(valorterrestre)
    def Quit(self):
        self.root.destroy()
    def Menus(self):
        menubar = Menu(self.root)
        self.root.config(menu=menubar)
        filemenu = Menu(menubar)
        menubar.add_cascade(label="Opções", menu=filemenu)
        filemenu.add_command(label="Sair", command=self.Quit)
appmilha()