To understand this example, you should have the knowledge of following Python programming topics:
A palindrome is a string which is same read forward or backwards.
For example: "dad" is the same in forward or reverse direction. Another example is "aibohphobia" which literally means, an irritable fear of palindromes.
# Program to check if a string
# is palindrome or not
# change this value for a different output
my_str = 'aIbohPhoBiA'
# make it suitable for caseless comparison
my_str = my_str.casefold()
# reverse the string
rev_str = reversed(my_str)
# check if the string is equal to its reverse
if list(my_str) == list(rev_str):
print("It is palindrome")
print("It is not palindrome")
It is palindrome
Note: To test the program, change the value of my_str in the program.
In this program, we have taken a string stored in my_str.
Using the method casefold() we make it suitable for caseless comparisons. Basically, this method returns a lowercased version of the string.
We reverse the string using the built-in function reversed(). Since this function returns a reversed object, we use the list() function to convert them into a list before comparing.