const removeByIndex = (items, indexToRemove) => { return items.filter((item, index) => index !== indexToRemove) }

import unittest
	from removeByIndex import removeByIndex
	class TestRemoveByIndex(unittest.TestCase):
		def test_removeByIndex(self):
			self.assertEqual(removeByIndex([1, 2, 3, 4], 2), [1, 2, 4])