text: class Comment:
      def __init__(self,body,author,timestamp,parentId,c_id):
          self.body=body
          self.c_id=c_id
          self.author=author
          self.timestamp=timestamp
          if(parent!="null"):
              self.type="reply"
              self.parent=parent
           else:
               self.type="comment"
               self.parentId="null"
  
      def getBody(self):
          return self.body;
      def getAuthor(self):
          return self.author;
      def getTimestamp(self):
          return self.timestamp;
      def setBody(self,body):
          self.body=body;
      def setAuthor(self,author):
          self.author=author;
      def setTimestamp(self,timestamp):
          self.timestamp=timestamp;
          
      def setParent(self,parentId):
          self.parentId=parentId;
      def getParent(self):
          return parentId;
      def setId(self,c_id):
          self.c_id=c_id;
      def getParent(self):
          return c_id;
  