def countEvens(listOfInts): ''' - Returns an integer value representing the number of even numbers that exist in listOfInts. - Return 0 if listOfInts is not a list type or if no even number exists in listOfInts. - Note: elements in listOfInts can contain any data type. ''' return "stub"

# Tests for countEvens def test_countEvens_1(): assert countEvens([0,2,4]) == 3 def test_countEvens_2(): assert countEvens([0,"2","Four", 6]) == 2 def test_countEvens_3(): assert countEvens((0,2,4)) == 0 def test_countEvens_4(): assert countEvens([-1,1,3,5,7]) == 0 def test_countEvens_5(): assert countEvens([1.0,2.0,3.0,4.0,5.0,6.0,7.0,-2.0]) == 4