public class assignClass {
    public static void assignMethod(List<Opportunity>opp){
      List<Task> tasksToInsert = new List<Task>();
    for (Opportunity opps :opp) {
        if (opps.StageName == 'Closed Won') {
            Task newTask = new Task();
            newTask.OwnerId = opps.OwnerId;
            newTask.Subject = 'Opportunity Closed Won ho gyi hai bhai';
            newTask.Description = 'Account Name: ' + opps.Account.Name + '\nOpportunity Name: ' + opps.Name + '\nClose Date: ' + opps.CloseDate;
            tasksToInsert.add(newTask);
        }
    }
    if (!tasksToInsert.isEmpty()) {
        insert tasksToInsert;
    }
}

    
}