How to perform 'Parallel Append to File' in Scala.
// Task: Parallel Append to File
// Language: Scala
def parallel_append_to_file() {
// Implementation for Parallel Append to File
val result = ...; // Initialize variable
// TODO: Implement core logic here
// Step 1: Prepare data
// Step 2: Process Parallel Append to File
println("Done");
}