code: def list_math_substraction_number(a, b):
              
      return [a[i] - b for i in range(len(a))];
docs: !
      @brief Calculates subtraction between list and number.
      @details Each element from list 'a' is subtracted by number 'b'.
      
      @param[in] a (list): List of elements that supports mathematical subtraction.
      @param[in] b (list): Value that supports mathematical subtraction.
      
      @return (list) Results of subtraction between list and number.