text: def kwo(*a, c):
      print(a, c)
  
  kwo(1, 2, 3, c=7)  # prints: (1, 2, 3) 7
  kwo(c=4)           # prints: () 4
  # kwo(1, 2)  # breaks, invalid syntax, with the following error
  # TypeError: kwo() missing 1 required keyword-only argument: 'c'
  
  def kwo2(a, b=42, *, c):
      print(a, b, c)
  
  kwo2(3, b=7, c=99)  # prints: 3 7 99
  kwo2(3, c=13)       # prints: 3 42 13
  # kwo2(3, 23)  # breaks, invalid syntax, with the following error
  # TypeError: kwo2() missing 1 required keyword-only argument: 'c'
  