https://edabit.com/challenge/XYYdtkhGPXXJ3QQNB

test_combinations.py

# https://edabit.com/challenge/G9QRtAGXb9Cu368Pw 

from unittest import TestCase
from combination import combinations


class CombinationTest(TestCase):
	def test_combination(self):
		self.assertEqual(combinations(2), 2)
		self.assertEqual(combinations(2, 3), 6)
		self.assertEqual(combinations(3, 5), 15)
		self.assertEqual(combinations(5, 6, 7), 210)
		self.assertEqual(combinations(5, 5, 5, 5), 625)
		self.assertEqual(combinations(3, 6, 9), 162)
		self.assertEqual(combinations(2, 3, 4, 5, 6, 7, 8, 9, 10), 3628800)
		self.assertEqual(combinations(4, 5, 6), 120)
		self.assertEqual(combinations(5, 6, 7, 8), 1680)
		self.assertEqual(combinations(6, 7, 0), 42)

test_number_in_string.py

from unittest import TestCase
from number_string import number_string


class NumberStringTest(TestCase):
	def test_combination(self):
		self.assertEqual(number_string(['abc', 'abc10']), ['abc10'])
		self.assertEqual(number_string(['abc', 'ab10c',  'a10bc', 'bcd']),['ab10c', 'a10bc'])
		self.assertEqual(number_string(['1', 'a' , ' ' ,'b']), ['1'])
		self.assertEqual(number_string(['rct', 'ABC', 'Test', 'xYz']), [])
		self.assertEqual(number_string(['this IS','10xYZ', 'xy2K77', 'Z1K2W0', 'xYz']), ['10xYZ', 'xy2K77', 'Z1K2W0'])
		self.assertEqual(number_string(['-/>', '10bc', 'abc ']), ['10bc'])