Created Author and Books models for the bookshelf app

gabigarrero_reading/bookshelf/models.py

 from django.db import models
 
-# Create your models here.
+class Author(models.Model):
+    first_name = models.CharField(max_length = 50)
+    last_name = models.CharField(max_length = 50)
+    age = models.IntegerField()
+    nationality = models.CharField(max_length = 50)
+    bio = models.TextField(max_length = 700)
+    
+    def __str__(self):
+        return self.first_name + ' ' + self.last_name
+    
+class Books(models.Model):
+    title = models.CharField(max_length = 100)
+    author = models.ForeignKey(Author, on_delete = models.CASCADE)
+    publisher = models.CharField(max_length = 100)
+    year_published = models.IntegerField()
+    ISBN = models.IntegerField()
+    blurb = models.TextField(max_length = 200)
+    
+    def __str__(self):
+        return self.title
\ No newline at end of file