from tkinter import *

def bloquear_auto1():
    if var1.get():
        check1.config(state="disabled")
        resultado_label.config(text="Já fez as Compras!")

def bloquear_auto2():
    if var2.get():
        check2.config(state="disabled")
        resultado_label.config(text="Já deitou o Lixo!")

def bloquear_auto3():
    if var3.get():
        check3.config(state="disabled")
        resultado_label.config(text="Já cortou a Relva!")
        if check2.config(state="disabled") and   check1.config(state="disabled"):
            resultado_label.config(text="Já cortou a Relva!")


# Janela principal
root = Tk()
root.title("Checkbuttons Automáticos")
root.geometry("300x300")
root.resizable(0, 0)
root.config(bg="#103030")
titulo = Label(text="Tarefas",
               font=("Arial", "20", "bold"), bg="#103030", fg="#49e3e3")
titulo.place(relx=0.25, rely=0.05)

var1 = StringVar()
var2 = StringVar()
var3 = StringVar()

check1 = Checkbutton(root, text="Fazer Compras", variable=var1, command=bloquear_auto1,
                     font=("Arial", "18", "bold"), bg="#103030", fg="#49e3e3")
check1.place(relx=0.1,rely=0.2)

check2 = Checkbutton(root, text="Deitar o Lixo", variable=var2, command=bloquear_auto2,
                     font=("Arial", "18", "bold"), bg="#103030", fg="#49e3e3")
check2.place(relx=0.1,rely=0.4)

check3 = Checkbutton(root, text="Cortar a Relva", variable=var3, command=bloquear_auto3,
                     font=("Arial", "18", "bold"), bg="#103030", fg="#49e3e3")
check3.place(relx=0.1,rely=0.6)
resultado_label = Label(root, text="")
resultado_label.place(relx=0.1,rely=0.8)

root.mainloop()