code: def load_z_meso(self,z_meso_path):
          
  
          self.z_meso = []
          z_meso_file_path = os.path.join(z_meso_path, self.Z_MESO_FILE_NAME)
  
          # Check if exists
          if not os.path.exists(z_meso_file_path):
              raise Exception("z_meso.txt file: '{}' does not exist.".format(uwg_param_file))
  
          f = open(z_meso_file_path,'r')
          for txtline in f:
              z_ = float("".join(txtline.split())) # Strip all white spaces and change to float
              self.z_meso.append(z_)
          f.close()
docs: Open the z_meso.txt file and return heights as list