Write a program that reads a character, then reads in a list of words. The

output of the program is every word in the list that contains the character at

least once. Assume at least one word in the list will contain the given character.

$1$ The Challenge

create a set called 'charSet'

charSet contains a$..$z and A$..$Z

prompt for a char

validate the char entered against charSet

validate the char entered length

prompt for a list of words

print a list of words delimited with a $\text{'},\text{'}$ that have the char in them

$2$ Input

prompt for a char

prompt for a list of words

$3$ Output

a list of words with the char in them

an error message, if the char is snot valid

$4$ Example

Enter a character: $Z$

Enter a list of words: Zoo zookeeper Zonk Mazzu

Zoo,Zonk,

Enter a character: Toolong

Invalid Character!

Enter a character: $*$

Invalid Character!