String manipulation

 # String manipulation

"""

Implementing programs using Strings. (reverse, palindrome, character count, replacing characters,

remove characters)

"""

def fnReverse(s):

return s[::-1]

def fnPalindrome(s):

if(s==s[::-1]):

return "String is a palindrome"

else:

return "String is not a palindrome"

def fnCharcount(s):

charcount = 0

for ch in s:

if(ch.isalpha()):

charcount+=1

return charcount

def fnWordCount(s):

L=s.split()

return len(L)

def fnReplace(s,ss,rs):

if(ss in s):

return s.replace(ss,rs)

else:

return "Search string not found. Cannot replace"

def fnRemove(s, rs):

if(rs in s):

return s.replace(rs,"")

else:

return "String not found. Cannot remove" 

S = input("Enter string : ")

print("Reverse of the string : ",fnReverse(S))

print("Palindrome check : ")

print(fnPalindrome(S))

print("Character count =",fnCharcount(S))

print("Word count =",fnWordCount(S))

searchstr = input("Enter search string : ")

replacestr = input("Enter string to replace : ")

print("Replaced string :")

print(fnReplace(S,searchstr,replacestr))

removestr = input("Enter string to remove : ")

print("Remove string :")

print(fnRemove(S,removestr))

"""

Sample output

>python 7_stringmanip.py

Enter string : HELLO IT

Reverse of the string :  TI OLLEH

Palindrome check :

String is not a palindrome

Character count = 7

Word count = 2

Enter search string : IT

Enter string to replace : CSE

Replaced string :

HELLO CSE

Enter string to remove : IT

Remove string :

HELLO

"""