def test_formatting_more_than_100(self):
     self.assertEqual("£12.40", format_currency(1240))
 def test_formatting_less_than_100(self):
     self.assertEqual("30p", format_currency(30))
 def test_formatting_multiple_of_100(self):
     self.assertEqual("£1000.00", format_currency(100000))
 def test_formatting_zero(self):
     self.assertEqual("0p", format_currency(0))
 def test_formatting_exactly_100(self):
     self.assertEqual("£1.00", format_currency(100))