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Computer Science- Python Questions For Chapter 1 and Chapter 2

Class:XII
Total Marks 20

1. write a program to find the factorial value using function.                        2

2. Write a program to find the no of vowels,lower case letters,digits from one string 

  S1=”Hello World contact 98458544”                                                           3

3. Write a program to generate the prime no from 1 to 100 using function    3

4. Find and write the output of the following python code:                           2

def fun(s):

    k=len(s)

    m=" "

    for i in range(0,k):

        if(s[i].isupper()):

            m=m+s[i].lower()

        elif s[i].isalpha():

            m=m+s[i].upper()

        else:

            m=m+'bb'

    print(m)

fun('school2@com')

5. Find and write the output of the following python code:                              2

def  Change(P ,Q=30):

               P=P+Q

               Q=P-Q

               print( P,"#",Q)

               return (P)

R=150

S=100

R=Change(R,S)

print(R,"#",S)

S=Change(S)  

6. What possible outputs(s) are expected to be displayed on screen at the time of execution of the program from the following code? Also specify the maximum values that can be assigned to each of the variables FROM and TO                               2

import random

AR=[20,30,40,50,60,70]

FROM=random.randint(1,3)

TO=random.randint(2,4)

for K in range(FROM,TO+1):

    print (AR[K],end="#") 

7. Which is the correct form of declaration of dictionary?                           1

(i) Day={1:’monday’,2:’tuesday’,3:’wednesday’}

 (ii) Day=(1;’monday’,2;’tuesday’,3;’wednesday’)

 (iii) Day=[1:’monday’,2:’tuesday’,3:’wednesday’]

 (iv) Day={1’monday’,2’tuesday’,3’wednesday’]

8. Identify the valid declaration of L:                                                          1

 L = [1, 23, ‘hi’, 6].

 (i) list        (ii) dictionary     (iii) array            (iv) tuple

9. Find and write the output of the following python code:                        2

x = "abcdef"

i = "a"

while i in x:

    print(i, end = " ")

10. Find and write the output of the following python code                        2

a=10

def call():

  global a

  a=15

  b=20

  print(a)

call()

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