Python Programming Questions - STRING

Python Programming Questions - Operation on STRING[SET-1]

1.Python program to check if a string is palindrome or not

inp = input(" Enter The String To Be Checked : ")
low = inp.lower()
if(low == low[::-1]):
    print(inp,"Is Palindrome . ")
else:
    print(inp,"Is Not Palindrome . ")

length = int(input(" Enter The Number of Elements Present In List :"))
myList = []
palindrome_list = []
no_palindromeList = []
for i in range(length):
    myList.append(input())

for elements in myList:
    lowerCase = elements.lower()
    if(lowerCase == lowerCase[::-1]):
        palindrome_list.append(elements)
    else:
        no_palindromeList.append(elements)

print(palindrome_list)
print(no_palindromeList)


 Enter The String To Be Checked : malayalam
 malayalam Is Palindrome .
 Enter The Number of Elements Present In List :5
 malayalam
 radar
 books
 institute
 dad
 ['malayalam', 'radar', 'dad']
 ['books', 'institute']



2.Python Program To Reverse words in a given String

inp = input(" Enter The Word You Want To Reverse : ")
rev = inp[::-1]
print(rev)

length = int(input(" Enter The Number Of Elemts Present In List : "))
myList = []
reverseList = []
for i in range(length):
    myList.append(input())

for j in myList:
    reverse = j[::-1]
    reverseList.append(reverse)

print(myList)
print(reverseList)


Enter The Word You Want To Reverse : mobile
elibom
Enter The Number Of Elemts Present In List : 5
python
java
c++
csharp
html
['python', 'java', 'c++', 'csharp', 'html']
['nohtyp', 'avaj', '++c', 'prahsc', 'lmth']



3.Python program to remove i’th character from string

inp = input(" Enter The String :  ")
ithValue = int(input(" Enter The Position For Which Element IS To Be Removed : "))
ind = ithValue-1
new_string = ""
new_string = new_string + inp.replace(inp[ind],'',1)
print("",new_string)

count  = int(input(" Enter The Number of Elements Present In List : "))
myList = []
for i in range(count):
    myList.append(input())

iValue = int(input(" Enter The Position Of Element To Be Removed : "))
indx = iValue - 1
new = ""
newList = []
for j in range(len(myList)):
    obj = myList[j]
    new = obj.replace(obj[indx],'',1)
    newList.append(new)

print("",myList)
print("",newList)


 Enter The String :  MOBILE
 Enter The Position For Which Element IS To Be Removed : 2
 MBILE
 Enter The Number of Elements Present In List : 5
 MOBILE
 LAPTOP
 PYTHON
 JAVA
 HTML5
 Enter The Position Of Element To Be Removed : 2
 ['MOBILE', 'LAPTOP', 'PYTHON', 'JAVA', 'HTML5']
 ['MBILE', 'LPTOP', 'PTHON', 'JVA', 'HML5']



4. Python Program To Check if a Sub string is Present in a Given String

stringInput  = input(" Enter The String : ")
substringInput = input(" Enter The Substring : ")

if(stringInput.find(substringInput) == -1):
    print("",substringInput," Not Found ")
else:
    print(""substringInput, " Found ")


count = int(input(" Number Of Element Prsent In List : "))
myList = []
for i in range(count):
    myList.append(input())

print(" Enter The Substring : ")
for j in range(count):
    substringInp = input()
    if(myList[j].find(substringInp) == -1):
        print("",substringInp,"Not Found In String ",myList[j])
    else:
        print("",substringInp,"Found In String ",myList[j])


 Enter The String : LAPTOP
 Enter The Substring : op
 op  Not Found
 Number Of Element Prsent In List : 5
 ("WEB","DEVELOPMENT","HTML5","CSS3")
 ("DEVELOPMENT","PYTHON","JAVASCRIPT","JAVA")
 PYTHON IS USED IN MACHINE LEARNING
 PYCHARM IS IDE USED FOR PYTHON
 LETS DO IT
 Enter The Substring :
 HTML5
 HTML5 Found In String  ("WEB","DEVELOPMENT","HTML5","CSS3")
 C++
 C++ Not Found In String  ("DEVELOPMENT","PYTHON","JAVASCRIPT","JAVA")
 In
 In Not Found In String  PYTHON IS USED IN MACHINE LEARNING
 IDE
 IDE Found In String  PYCHARM IS IDE USED FOR PYTHON
 DO
 DO Found In String  LETS DO IT



5. Python Program To Find Length Of String

stringInput = input(" Enter Input String : ")

#METHOD1
length1 = len(stringInput)


#METHOD2
length2 = 0
for i in stringInput:
    length2 = length2 + 1

#METHOD3
length3 = 0
while stringInput[length3:]:
    length3 = length3  + 1

print("By Method 1 ",length1)
print("By Method 2 ",length2)
print("By Method 3 ",length3)


Enter Input String : PYTHON IS FUN.
By Method 1  14
By Method 2  14
By Method 3  14