code: def test_get(self):
      v = BooleanVar(self.root, True, "name")
      self.assertIs(v.get(), True)
      self.root.globalsetvar("name", "0")
      self.assertIs(v.get(), False)
      self.root.globalsetvar(
          "name", 42 if self.root.wantobjects() else 1
      )
      self.assertIs(v.get(), True)
      self.root.globalsetvar("name", 0)
      self.assertIs(v.get(), False)
      self.root.globalsetvar("name", "on")
      self.assertIs(v.get(), True)
  
imports: import unittest
  from test import support
  import gc
  import tkinter
  from tkinter import Variable, StringVar, IntVar, DoubleVar, BooleanVar, Tcl, TclError
  from test.support import ALWAYS_EQ
  from test.test_tkinter.support import AbstractDefaultRootTest
label_desc: Use image node_id 2 for calling the TestBooleanVar obj's underlying member method code with example usage: obj.test_get() without return types