input: 
  from typing import List
  
  def check_3d_vector_output(vector_input: List[float]) -> str:
      """ Given a list of three floats representing the coordinates of a 3D vector, check
      if the output of the Vector3D class matches the expected output format for the given
      input.
      >>> check_3d_vector_output([1.0, 2.0, 3.0])
      '(1.0, 2.0, 3.0)'
      >>> check_3d_vector_output([-1.5, 0, 4.2])
      '(-1.5, 0, 4.2)'
      """
  
output:     vector = Vector3D(*vector_input)
      return str(vector)