Explain the concept of lazy evaluation in Scala and its benefits.

Lazy evaluation is a powerful concept in programming that delays the evaluation of an expression or computation until its result is actually needed. In Scala, lazy evaluation is achieved through the use of the `lazy` keyword. When a value or expression is declared as lazy, its evaluation is deferred until the first access or reference to that value. The concept of lazy evaluation brings several benefits to Scala programming: 1. Improved Performance: Lazy evaluation can significantly improve performance by avoiding unnecessary computations. When a value is marked as lazy, it is only evaluated when it is actually needed. This means that if the value is never accessed or used, the computation is never performed, saving computational resources and speeding up the overall execution of the program. 2. Enhanced Efficiency: Lazy evaluation allows for more efficient resource utilization. In scenarios where the computation of a value is expensive or time-consuming, lazy evaluation ensures that the computation is performed only when the value is required. This can be especially useful when dealing with large dat....