A palindrome is a word, number, phrase, or other sequence of characters which reads the same backward as forward, e.g Anna,1221,Noon,Racecar etc
given an input number print its reverse as output e.g input-->123 output-->321
Input: IAMGOD Output: DOGMAI
A vowel is a syllabic speech sound pronounced without any stricture in the vocal tract. Vowels are one of the two principal classes of speech sounds, the other being the consonant. Vowels vary in quality, in loudness and also in quantity.
In english language there are 5 vowels "a, e, i, o, u"
input : hello world
output: Hello World