class_docstr: Class used to store the lowest energy structure
code: def get_lowest(self):
      return self.minres
  
imports: from __future__ import division, print_function, absolute_import
  import numpy
  import math
  from numpy import cos, sin
  import scipy.optimize
  from scipy._lib._util import check_random_state
label_desc: Use image node_id 4 for calling the Storage obj's underlying member method code with example usage: obj.get_lowest() and returns: self