public class genericSendanEmailClass {
 public static void sendEmailToAuthor(Map<id,List<Question_Answer__c>> sendingMap){
   for(id aid : sendingMap.keySet()){
    // Step 1: Create a new Email
    Messaging.SingleEmailMessage mail = new Messaging.SingleEmailMessage();
    mail.setSubject('Quesitons updated');
    string Subject =  '<br/>';
    system.debug('+++++++'+ sendingMap.keySet().size());
    for(Question_Answer__c bk : sendingMap.get(aid)){

     system.debug('====aid==='+ aid);
        String Recordlink = URL.getSalesforceBaseUrl().toExternalForm()+'/'+bk.id;
         Subject = Subject +'<br/>'+  Recordlink;
         Subject = Subject +'<br/>'+'Question: <br/>'+ bk.Question__c;
         Subject = Subject + '<br/>'+'Answer: <br/>'+ bk.Answer__c + '<br/>'+'<br/>';

    }
     list<id> LegalTeamId = New list<id>();
    List<String> mailAddresses = new List<String>();
     list<GroupMember>  LegalTeam  = [SELECT UserOrGroupId FROM GroupMember WHERE GroupId = '00GU0000002TUao'];
    for(GroupMember u : LegalTeam){
      LegalTeamId.add(u.UserOrGroupId);
    }
    List<user> Lteam = [Select email FROM user WHERE id IN : LegalTeamId];
    for(user Lt : Lteam){
      mailAddresses.add(Lt.email);
    }
     system.debug('======='+ mailAddresses);

    String body = 'Dear Leagal <br/> Please review the FCPA changes for ' + Subject ;
    mail.setHtmlBody(body);
    mail.setToAddresses(mailAddresses);
    Messaging.sendEmail(new Messaging.Email[] {mail});
}
}
}