Map<String,String> test = new Map<String,String>();
    Map<String,String> sample = new Map<String,String>();

    List<String> orderList = new List<String>();

    for(String t :sample.keySet()){
      String tt = sample.get(t);
    for(String s :test.keySet()){
        String ss = test.get(s);
           if(tt.equals(s)){
               orderList.add(ss);
               System.debug('OrderList:::'+orderList);
           }
    }
    }

Response : Kalyan K
    Response : Kalyan K, Kalyank@tcs.com
    Response : Kalyan K, Kalyank@tcs.com, Attended
    Response : Kalyan K, Kalyank@tcs.com, Attended,Chennai
    Response : Kalyan K, Kalyank@tcs.com, Attended, Chennai,Tamilnadu
    Response : Kalyan K, Kalyank@tcs.com, Attended, Chennai, Tamilnadu, India
    Response : Kalyan K, Kalyank@tcs.com, Attended, Chennai, Tamilnadu, India, 9857455552

    how can I separate each value for assigning to the other object like  below

    Lead le = new Lead();
    le.LastName = ss;// here map kalyan k
    le.LightiningEd__AdobeEmail__c = ss; // here map Kalyank@tcs.com
    le.Status = ss; //here map Attended
    le.LightiningEd__City__c = ss; // here map Chennai
    le.LightiningEd__State__c = ss; //here map Tamilnadu
    le.LightiningEd__Country__c = ss; here map india
    le.MobilePhone = ss;  //here map 9857455552
    LeadList.add(le);