How to Parallel Format Date String in Groovy - Code Snippet

// Task: Parallel Format Date String
// Language: Groovy

def parallel_format_date_string() {
    // Implementation for Parallel Format Date String
    def result = ...; // Initialize variable
    // TODO: Implement core logic here
    // Step 1: Prepare data
    // Step 2: Process Parallel Format Date String
    println("Done");
}