What are the consequences of writing selection structures to include an unnecessary nested selection structure ?​

less efficient code

Explanation:

When a programmer studies the specifications of a problem, then the programmer can then decide if the solution to the problem will require a nested selection structure or not.

One consequences of writing selection structures to include an unnecessary nested selection structure is that it produces a less efficient code.

there is no universally accepted definition of art. although commonly used to describe something of beauty, or a skill which produces an aesthetic result, there is no clear line in principle between (say) a unique piece of handmade sculpture, and a mass-produced but visually attractive item. we might say that art requires thought - some kind of creative impulse - but this raises more questions: for example, how much thought is required? if someone flings paint at a canvas, hoping by this action to create a work of art, does the result automatically constitute art?