code: def quadratic_phase(s):
      """Quadratic phase shift.
  
      Args:
          s (float): gate parameter
  
      Returns:
          array: symplectic transformation matrix
      """
      return np.array([[1, 0], [s, 1]])
  
imports: import math
  import cmath
  import numpy
  from scipy.special import factorial
  import pennylane
  from pennylane.ops import Identity
  from pennylane import Device
  from .._version import __version__
label_desc: Use image node_id 6 for calling a global function with example usage: quadratic_phase(s) and returns: np