CBSE Class 11 Computer Science Strings Worksheet

WS 5 – STRING

1. W AP to accept a string and display whether it is a Palindrome or not.

2. W AP that counts and displays number of alphabets, digits , uppercase letters, lowercase letters, spaces and other characters in the string entered

3. W AP to accept a string (sentence) and returns a string having first letter of each word in capital letter.

4. W hat is a string slice? Give example.

5. W hich function will you use to remove leading and trailing spaces.

6. W rite a python Script to read a string and print its character in different line – two characters per line.

7. W hat will be the output for the input FUN :

print(input("___"+"trial"+"Ooty"*3))

8. W rite the output :

STR=input("Enter a string :")
count=3
while True:
if STR[0]=='a':
STR=STR[2:]
elif STR[-1]=='b':
STR=STR[:2]
else:
count+=1
break
print(STR)
print(count)

9. W rite the output :

Mes1=["SKy"]

Mes2=["ThE"]
Mes3=["LiMIT"]
L1=len(Mes1)
L2=len(Mes2)
L3=len(Mes3)
N=L1+L2+L3
for c in range(1,N):
if (c%4==0):
print(Mes2)
L2=L2-1
else:
if (c%3==0):
print(Mes1)
L1=L1-1
else:
print(Mes3)
L3=L3-1

10. D ifferentiate between upper() and isupper() functions.

11. W hat is negative index in Python.

12. W rite a program to print given pattern
P
P Y
P Y T
P Y T H
P Y T H O
P Y T H O N

13. W hich string method is used to implement the following :

i. To count the number of characters in the string.
ii. To change the first character of the string in capital letter
iii. To change lower case to upper case letter
iv. To change one character into another character

Please click on below link to download CBSE Class 11 Computer Science Strings Worksheet