Hi David :) You can drop the parentheses, and int is inferred by the compiler: var filtered = new[]{ 1, 2, 3, 4 }.Where( i => i % 2 != 0 ); Alternatively: v

Hi David :) You can drop the parentheses, and int is inferred by the compiler: var filtered = new[]{ 1, 2, 3, 4 }.Where( i => i % 2 != 0 ); Alternatively: var filtered = Enumerable.Range( 1, 4 ).Where( i => i % 2 > 0 );