code: def _create_num_str_ss(self):
      func2str = {}
      for dim_key in self.dim_keys:
          if self.data_types[dim_key] == "number":
              func2str[dim_key] = self.search_space[dim_key]
          else:
              func2str[dim_key] = []
  
              dim_values = self.search_space[dim_key]
              for value in dim_values:
                  try:
                      func_name = value.__name__
                  except:
                      func_name = value
  
                  func2str[dim_key].append(func_name)
      return func2str
  
file_path: Hyperactive/hyperactive/search_space.py
imports: import numpy
label_desc: Use image node_id 4 for calling the SearchSpace obj's underlying member method code with example usage: obj._create_num_str_ss() and returns: func2str