input: Write a function to modify an existing Python function by eliminating any redundancies. The function should combine the two print statements that share a common prefix into one. If the given input function is empty, then return the empty function without any changes.
  assert just_me("Alice")=="Hi, my name is Alice. I am special and nothing else matters.\nWhat about you?"
  assert just_me("Bob")=="Hi, my name is Bob. I am special and nothing else matters.\nWhat about you?"
  assert just_me("")=="Hi, my name is . I am special and nothing else matters.\nWhat about you?"
  assert just_me(None)=="Hi, my name is None. I am special and nothing else matters.\nWhat about you?"
  def just_me(name):
      print("Hi, my name is "+str(name)+". I am special and nothing else matters.")
      print("What about you?")
output: def just_me(name):
      print("Hi, my name is "+str(name)+". I am special and nothing else matters.\nWhat about you?")