text: # So far just copy of test_copy_copy.py, but need to add more tests.
  import copy
  
  
  class Foo:
      clsvar = 1
  
  
  o1 = Foo()
  o1.val = 10
  
  c1 = copy.deepcopy(o1)
  assert id(o1) != id(c1)
  
  o1.val = 11
  assert c1.val == 10
  
  Foo.clsvar = 2
  
  assert o1.clsvar == 2
  assert c1.clsvar == 2
  