In python

lettersOnly (s) Write the function lettersOnly(s) that takes in a string called s, and returns a string containing only the alphabetic characters of s. (For more information on how this can be done look at the Python documentation on String Methods found here: https://docs.python.org/3/library/stdtypes.html#string-methods SampleInput s"CS103 is kind of fun." s"Spaces and punctuation "Spacesandpunctuationdontcount" don't count! " s-This is Hw3" Sample Output "CSiskindoffun" "ThisisHw