def test_standardize_both(self) :
		input_str = '    The first letter of the first word of this test input should be lower case'
		ret_str = ask.standardize(input_str)
		self.assertTrue(ret_str[0] == 't')
	def test_standardize_standardized(self) :
		input_str = 'this sentence is already standardized so standardize() should have no effect'
		ret_str = ask.standardize(input_str)
		self.assertTrue(input_str == ret_str)
	def test_standardize_whitespace(self) :
		input_str = '   test input with leading and trailing whitespace       '
		ret_str = ask.standardize(input_str)
		self.assertTrue(ret_str == input_str.strip())