text: from flask_sqlalchemy import SQLAlchemy
  from flask_login import LoginManager, UserMixin, login_user, login_required, logout_user, current_user
  from app import db
  
  class Sellers(UserMixin,db.Model):
      __tablename__= 'sellers'
      id = db.Column(db.Integer, primary_key = True, autoincrement = True)
      username = db.Column(db.String(200))
      email = db.Column(db.String(50),unique=True)
      phone_Number = db.Column(db.Integer)
      website = db.Column(db.String(100))
      password = db.Column(db.String(800))
      
      
      def __init__(self,username, email, phone_Number, website, password):
          self.username = username
          self.email = email
          self.phone_Number = phone_Number
          self.website = website
          self.password = password    
         
  
      def __repr__(self):
          return '<Seller\'s Id is: %d, Seller\'s Name is: %r, Seller\'s Email is: %r>>' %(self.id,self.username, self.email)
  
  