public class adventure { void startjourney() { var planningstage = new planningstage(); if (!planningstage.items.contains("banned")) { planningstage.items.add("safetygear"); for (int i = 0; i < planningstage.checklist.count; i++) { planningstage.validatechecklist(planningstage.checklist[i]); } console.writeline("start with a clean sheet, ensuring no necessary equipment is neglected. prior to departure, innovative algorithms enhance route planning for a safer mountaineering experience."); } } }