string=input('enter string:')
if string==string[::-1]:
    print(string,'is palindrome')
else:
    print(string,'is not palindrome')
    
    (OR)
    
string=input('enter string:')
if string==''.join(reversed(string)):
    print(string,'is palindrome')
else:
    print(string,'is not palindrome')
    
    (OR)
    
string=input('enter string:')
reverse=''
for i in string:
    reverse=i+reverse
if string==reverse:
    print(string,'is palindrome')
else:
    print(string,'is not palindrome')
    
    (OR)
    
string=input('enter string:')
for i in range(len(string)//2):
    if string[i]!=string[len(string)-i-1]:
        print(string,'is not palindrome')
        break
else:
    print(string,'is palindrome')