text: # test function args, keyword only with default value
  
  # a single arg with a default
  def f1(*, a=1):
      print(a)
  f1()
  f1(a=2)
  
  # 1 arg default, 1 not
  def f2(*, a=1, b):
      print(a, b)
  f2(b=2)
  f2(a=2, b=3)
  
  # 1 positional, 1 arg default, 1 not
  def f3(a, *, b=2, c):
      print(a, b, c)
  f3(1, c=3)
  f3(1, b=3, c=4)
  f3(1, **{'c':3})
  f3(1, **{'b':'3', 'c':4})
  
  # many args, not all with defaults
  def f4(*, a=1, b, c=3, d, e=5, f):
      print(a, b, c, d, e, f)
  f4(b=2, d=4, f=6)
  f4(a=11, b=2, d=4, f=6)
  f4(a=11, b=2, c=33, d=4, e=55, f=6)
  f4(f=6, e=55, d=4, c=33, b=2, a=11)
  
  # positional with default, then keyword only
  def f5(a, b=4, *c, d=8):
      print(a, b, c, d)
  f5(1)
  f5(1, d=9)
  f5(1, b=44, d=9)
  