code: def som_get_winner_number(som_pointer):
      
      
      ccore = ccore_library.get()
      ccore.som_get_winner_number.restype = c_size_t
      return ccore.som_get_winner_number(som_pointer)
docs: !
      @brief Returns of number of winner at the last step of learning process.
      
      @param[in] som_pointer (c_pointer): pointer to object of self-organized map.