Update class.py

Author: rounak176

class.py

@@ -1,6 +1,36 @@
-class Person:
+#A simple program to under the concept of class and object in python3
+class BookStore:
+    noOfBooks = 0
+ 
+    def __init__(self, title, author):
+        self.title = title
+        self.author = author
+        BookStore.noOfBooks += 1
+ 
+    def bookInfo(self):
+        print("Book title:", self.title)
+        print("Book author:", self.author,"\n")
+ 
+# Create a virtual book store
+b1 = BookStore("Great Expectations", "Charles Dickens")
+b2 = BookStore("War and Peace", "Leo Tolstoy")
+b3 = BookStore("Middlemarch", "George Eliot")
+ 
+# call member functions for each object
+b1.bookInfo()
+b2.bookInfo()
+b3.bookInfo()
 
-    age = 18
+print("BookStore.noOfBooks:", BookStore.noOfBooks)
 
-    def name(self, name):
-        return list(name)
+##OUTPUT :
+#Book title: Great Expectations
+#Book author: Charles Dickens 
+
+#Book title: War and Peace
+#Book author: Leo Tolstoy 
+
+#Book title: Middlemarch
+#Book author: George Eliot 
+
+#BookStore.noOfBooks: 3