root = Tk()
class app():

    def __init__(self):
        self.root = root
        self.janela()
        self.Checkbutton_tutorial()
        # criando o Loop
        root.mainloop()
    def janela(self):
        self.root.title("Cheklist")
        self.root.configure(background='#B0C4DE')
        self.root.geometry("350x250")
        self.root.resizable(False, False)
    def Checkbutton_tutorial(self):

        self.Checkbutton1 = IntVar()
        self.Checkbutton2 = IntVar()
        self.Checkbutton3 = IntVar()
        self.Checkbutton4 = IntVar()
        self.Button1 = Checkbutton(root, text="Tomar Pequeno-Almoço",
                              variable=self.Checkbutton1,
                              onvalue=1,
                              offvalue=0)
        self.Button1.place(relx=0.3,rely=0.1)

        self.Button2 = Checkbutton(root, text="Tomar Banho",
                              variable=self.Checkbutton2,
                              onvalue=1,
                              offvalue=0)
        self.Button2.place(relx=0.3, rely=0.2)

        self.Button3 = Checkbutton(root, text="Tomar Almoço",
                                   variable=self.Checkbutton3,
                                   onvalue=1,
                                   offvalue=0)
        self.Button3.place(relx=0.3, rely=0.3)

        self.Button4 = Checkbutton(root, text="Tomar Jantar",
                                   variable=self.Checkbutton4,
                                   onvalue=1,
                                   offvalue=0)
        self.Button4.place(relx=0.3, rely=0.4)

app()