Class 11 Important Python String Programs for practice-Part 3

Class 11 Important Python String Programs

Q21. Write a program to accept a string and display the string with second alphabet of each word in upper case.

Show Answer
 Ans. 

str = input("Enter any String")

str1 = ""

L=str.split( )

for i in L:

     str1 = str1 + i[0] + i[1].upper() + i[2:] +" "

print(str1) 

Q22. Write a program to accept a string and display the word which has vowel ‘a’ in it.

Show Answer
 Ans. 

str = input("Enter any String")

L=str.split()

for i in L:

    if 'a' in i:

         print(i) 

Q23. Write a program to accept the first name from the user and display it as much times as its length.

Show Answer
 Ans. 

str = input("Enter first name")

for i in range(len(str)):
    print(str) 

Q24. Write a program to accept any string from the user and display it in the following pattern

if the string entered is “Python String Programs” then the output should be

Python
Python String
Python String Programs

Show Answer
 Ans. 

str = input("Enter any string")

L=str.split()

str1 = ""

for i in L:

    str1 = str1 + i

    print(str1) 

Q25. Write a program to accept a string from the user and display the string without space.

Show Answer
 Ans.

str = input("Enter any string")

str1=""

for i in str:

    if i.isspace()==False:

        str1=str1+i

print(str1) 

Q26. Write a program to accept a string and substring from the user and display the frequency of substring in string.

Show Answer
 Ans. 

str = input("Enter any string")
substr=input("Enter any substring")
print(str.count(substr)) 

Q27. Write a program to replace all ‘a’ in a string by symbol ‘@’.

Show Answer
 Ans. 

str = input("Enter any string")

str1=""

for i in str:

  if i!='a':

       str1=str1+i

  else:

       str1=str1+'@'

print(str1) 

Q28. Write a program to accept a string and substring from the user and check whether the substring is existing/present in string or not.

Show Answer
 Ans. 

str = input("Enter any string")

substr=input("Enter any substring")

if (str.find(substr)!=-1):

    print("Substring is present")

else:

    print("Substring is not present") 

Q29. Write a program to accept a string from the user and display n characters from the right of the string. (Accept n from the user)

Show Answer
 A n s. 

str = input("Enter any string")

n=int(input("Enter number of characters to be extract from right"))

L = len(str)

if n > L:

     print("Enter less number of characters")

else:

     print(str[-n:]) 

Q30. Write a program to accept a word from the user and display it in the following pattern.

if the word is “river” then it should display as shown below

r
r i
r i v
r i v e
r i v e r

Show Answer
 A ns.

str = input("Enter any string")

str1 = ""

for i in str:

     str1 = str1 + i

     print(str1) 

Disclaimer : I tried to give you the correct code of all the python string programs, but if you feel that there is/are mistakes in the python string programs given above, you can directly contact me at csiplearninghub@gmail.com. Also Share your valuable feedback about the above Python String Programs or any other suggestion so that I can give better content to you.