old_contents: from flask_sqlalchemy import SQLAlchemy
  from cordb import db
  
  class User(db.Model):
      uid = db.Column(db.Integer, primary_key=True)
      mentor_mentee = db.Column(db.String(100), nullable=False)
      twitter_uid = db.Column(db.String(100), nullable=False)
      original_tweet_id = db.Column(db.String(100), nullable=False)
      scrn_name = db.Column(db.String(20), nullable=False)
      offer = db.relationship('Offer', backref='useroffer', lazy='dynamic')
      skills = db.relationship('Skills', backref='skillset', lazy='dynamic')
      languages = db.relationship('Languages', backref='polyglot', lazy='dynamic')
  
      def __repr__(self):
          return "<User(uid={}, scrn_name={}, offer={}, langs={}, skills={}, originaltweet={}, twitteruid={})>".format(self.uid, self.scrn_name, self.offer, self.languages, self.skills, self.original_tweet_id, self.twitter_uid)
  
  class Offer(db.Model):
      oid = db.Column(db.Integer, primary_key=True)
      offer_1 = db.Column(db.String(100))
      offer_2 = db.Column(db.String(100))
      offer_3 = db.Column(db.String(100))
      user_id = db.Column(db.Integer, db.ForeignKey('user.uid'))
  
      def __repr__(self):
          return "Offer 1: {}, 2: {}, 3: {}".format(self.offer_1, self.offer_2, self.offer_3)
  
  class Skills(db.Model):
      oid = db.Column(db.Integer, primary_key=True)
      skills_1 = db.Column(db.String(100))
      skills_2 = db.Column(db.String(100))
      skills_3 = db.Column(db.String(100))
      skills_4 = db.Column(db.String(100))
      user_id = db.Column(db.Integer, db.ForeignKey('user.uid'))
  
      def __repr__(self):
          return "Skills 1: {}, 2: {}, 3: {}, 4: {}".format(self.skills_1, self.skills_2, self.skills_3, self.skills_4)
  
  class Languages(db.Model):
      oid = db.Column(db.Integer, primary_key=True)
      languages_1 = db.Column(db.String(100))
      languages_2 = db.Column(db.String(100))
      languages_3 = db.Column(db.String(100))
      languages_4 = db.Column(db.String(100))
      user_id = db.Column(db.Integer, db.ForeignKey('user.uid'))
  
      def __repr__(self):
          return "Languages 1: {}, 2: {}, 3: {}, 4: {}".format(self.languages_1, self.languages_2, self.languages_3, self.languages_4)
  
new_contents: from flask_sqlalchemy import SQLAlchemy
  from cordb import db
  
  class User(db.Model):
      uid = db.Column(db.Integer, primary_key=True)
      mentor_mentee = db.Column(db.String(100), nullable=False)
      twitter_uid = db.Column(db.String(100), nullable=False)
      original_tweet_id = db.Column(db.String(100), nullable=False)
      scrn_name = db.Column(db.String(20), nullable=False)
      offer = db.relationship('Offer', backref='useroffer', lazy='dynamic')
      skills = db.relationship('Skills', backref='skillset', lazy='dynamic')
      languages = db.relationship('Languages', backref='polyglot', lazy='dynamic')
  
      def __repr__(self):
          return "{};{};{};{};{};{};{}".format(self.uid, self.scrn_name, self.original_tweet_id, self.twitter_uid, self.offer, self.languages, self.skills)
  
  class Offer(db.Model):
      oid = db.Column(db.Integer, primary_key=True)
      offer_1 = db.Column(db.String(100))
      offer_2 = db.Column(db.String(100))
      offer_3 = db.Column(db.String(100))
      user_id = db.Column(db.Integer, db.ForeignKey('user.uid'))
  
      def __repr__(self):
          return "Offer,{},{},{}".format(self.offer_1, self.offer_2, self.offer_3)
  
  class Skills(db.Model):
      oid = db.Column(db.Integer, primary_key=True)
      skills_1 = db.Column(db.String(100))
      skills_2 = db.Column(db.String(100))
      skills_3 = db.Column(db.String(100))
      skills_4 = db.Column(db.String(100))
      user_id = db.Column(db.Integer, db.ForeignKey('user.uid'))
  
      def __repr__(self):
          return "Skills,{},{},{},{}".format(self.skills_1, self.skills_2, self.skills_3, self.skills_4)
  
  class Languages(db.Model):
      oid = db.Column(db.Integer, primary_key=True)
      languages_1 = db.Column(db.String(100))
      languages_2 = db.Column(db.String(100))
      languages_3 = db.Column(db.String(100))
      languages_4 = db.Column(db.String(100))
      user_id = db.Column(db.Integer, db.ForeignKey('user.uid'))
  
      def __repr__(self):
          return "Languages,{},{},{},{}".format(self.languages_1, self.languages_2, self.languages_3, self.languages_4)
  
subject: make __repr__ better format for splitting