Python OPA Solution Code (28/28/20)

class Book:

    def __init__(self,bookId,bookName,bookTechnology,bookPrice,authorname):

        self.bookId=bookId

        self.bookName=bookName

        self.bookTechnology=bookTechnology

        self.bookPrice=bookPrice

        self.authorname=authorname

class BookStore:

    def __init__(self,d,e):

        self.d=d

        self.e=e

    def searchByName(self,a):

        l=[]

        for i,j in self.d.items():

            if j.bookName==a:

                l.append(j)

        return l

    def calculatePriceByTechnology(self,b):

        k=0

        for i,j in self.d.items():

            if j.bookTechnology==b:

                k=k+j.bookPrice

        k=k*0.9

        return k

count=int(input())

d={}

for q in range(count):

    bookId=int(input())

    bookName=input()

    bookTechnology=input()

    bookPrice=int(input())

    authorname=input()

    B=Book(bookId,bookName,bookTechnology,bookPrice,authorname)

    d[bookId]=B

BS=BookStore(d,'Janakiram store')

a=input()

b=input()

c=BS.searchByName(a)

d=BS.calculatePriceByTechnology(b)

if len(c)==0:

    print("No Book Exists with the BookName")

else:

    for i in c:

        print(i.bookId)

        print(i.bookName)

        print(i.bookTechnology)

        print(i.bookPrice)

        print(i.authorname)

if d==0:

    print("0.0")

else:

    print(d)