Python KBA AND SBA

Python KBA AND SBA:

Below pdf includes both kba and sba,

kba means to be mcq/quiz

sba means to be programming/code challenge

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Kba sample

Subject: Python
1.select the list comprehension code equivalent to the below script.
sum=[] for x in (range(1,3)
for y in range(3,6)
sum.append(x+y)
1.sum=[x + y for x in range(1,3) for y in range(3,6)]
2.sum=for x in range(1,3) for y in range(3,6) print x+y]
3.sum=[ return x+y for y in range(1,3) for x in range(3,6)]
4.sum=[ for x in range(1,3) for y in range(3,6) return x+y]
2. which function is used to read two charecters from a file object in file?
a. infile.readline(2)
b.infile.read(2)
c.infile.read()
d.infile.readlines(2)

Sba sample

from collections import Counter
class Book:
    def __init__(self,bid,bname,sub,bprice):
        self.bid=bid
        self.bname=bname
        self.sub=sub
        self.bprice=bprice
class Library:
    def __init__(self,lname,blist):
        self.lname=lname
        self.blist=blist
    def subjectwisebooks(self):
        l=[]
        for i in self.blist:
            l.append(i.sub)
        c=Counter(l)
        li=sorted(c.items(),key=lambda t:t[1])
        di=dict(li)
        for i,j in di.items():
            print(i,j)
    def checkBookCategoryByPrice(self,bidd):
        for i in self.blist:
            if i.bid==bidd:
                if i.bprice>=1000:
                    print("High Price")
                elif i.bprice>=750 and i.bprice<1000:
                    print("Medium Price")
                elif i.bprice>=500 and i.bprice<750:
                    print("Average Price")
                else:
                    print("Low Price")
b=[]
for i in range(int(input())):
    bid=int(input())
    bname=input()
    sub=input()
    bprice=int(input())
    b.append(Book(bid,bname,sub,bprice))
bidd=int(input())
l=Library("abcd",b)
l.subjectwisebooks()
l.checkBookCategoryByPrice(bidd)