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Rooted by: Check Even Number
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  • Code 
    is_even = lambda x: not x % 2
    Test Cases 
    import codewars_test as test
import solution

@test.describe('Test')
def test_group():
    @test.it('Even case')
    def is_even():
        for i in range(-30, 30, 2):
            test.assert_equals(solution.is_even(i), True)
            
    @test.it('Odd case')
    def is_even():
        for i in range(-29, 30, 2):
            test.assert_equals(solution.is_even(i), False)
    View Run Output
  • Code
    • is_even = lambda x: not bool(x % 2)
    • is_even = lambda x: not x % 2