text: # testing with pytest
  # run it with `pytest code_test.py`
  
  from mylib import getTotalCombinationNumFrp, getTotalCombinationNumRecursion
  from db import getCharSeq
  
  """
  num = 4
  
  def test():
      assert getTotalCombinationNumFrp(num) == getTotalCombinationNumRecursion(num)
  """
  
  def test1():
      assert getCharSeq("uoiea") == "aeiou"
  