Out of the following, find those identifiers, which can not be us

Subject

Computer and Communication Technology

Class

CBSE Class 12

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 Multiple Choice QuestionsShort Answer Type

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1.

Out of the following, find those identifiers, which can not be used for naming Variable or Functions in a Python program:

_Cost, Price*Qty, float, Switch,
Address One, Delete, Number12, do


Price*Qty, float, Address One, do

These above identifiers cannot be used for naming Variable or Functions in a python program.

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2.

Name the Python Library modules which need to be imported to invoke the following functions
(i) load()
(ii) pow()

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3.

Rewrite the following code in python after removing all syntax error(s). Underline each correction done in the code.

for Name in [Amar, Shveta, Parag]
     IF Name[0]='S':
          print(Name)

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4.

Find and write the output of the following python code:

Numbers=[9,18,27,36]
for Num in Numbers:
	for N in range(1, Num%8):
		print(N,;'#',end= '' )
	print()

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5.
Find and write the output of the following python code:
class Notes:

	def __init__(self,N=100,Nt='CBSE'): #constructor
		self.Nno=N
		self.NName=Nt

	def Allocate(self, N,Nt):
		self.Nno= self.Nno + N
		self.NName= Nt + self.NName

	def Show(self):
		print(self.Nno,'#',self.NName)

s=Notes()
t=Notes(200)
u=Notes(300,'Made Easy')
s.Show()
t.Show()
u.Show()
s.Allocate(4, 'Made ')
t.Allocate(10,'Easy ')
u.Allocate(25,'Made Easy')
s.Show()
t.Show()
u.Show()
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6.

What are the possible outcome(s) executed from the following code? Also, specify the maximum and minimum values that can be assigned to variable PICKER.

import random
PICK=random.randint(0,3)
CITY=['DELHI','MUMBAI','CHENNAI','KOLKATA']
for I in CITY:
	for J in range(1,PICK):
		print(I,end='')
		print()
i ii
DELHIDELHI
MUMBAIMUMBAI
CHENNAICHENNAI
KOLKATAKOLKATA
DELHI
DELHIMUMBAI
DELHIMUMBAICHENNAI
iii iv
DELHI
MUMBAI
CHENNAI
KOLKATA
DELHI
MUMBAIMUMBAI
KOLKATAKOLKATAKOLKATA

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7.

What is the difference between Multilevel and Multiple inheritance? Give suitable examples to illustrate both.

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8.

What will be the output of the following python code considering the following set of inputs?

JAYA
My 3 books
PICK2
2120

Also, explain the try and except used in the code.

Counter=0
while True:
	try:
		Number=int(raw_input('Give a Number'))
		break
	except ValueError:
		Counter=Counter+2
		print('Reenter Number')
print(Counter)

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9.

Write a class CITY in Python with following specifications
Instance Attributes

-Code   # Numeric value
-Name # String value
-Pop      #Numeric value of population
-KM      # Numeric value
-Density #Numeric value for Population Density

Methods:
CalDen()# Method to calculate Density as Pop/KM
Record()# Method to allow user to enter values
Code,Name,Pop,KM and call CalDen() method
See()# Method to display all the members also display
              a message Highly Populated Area
              if the Density is more than 12000

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10.

What is the significance of super() method? Give an example of the same.

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