Waldo is hiding in some strings.
You've been given a string named waldoString. Waldo will be hiding in it somewhere. Return the index of where in the string 'Waldo' starts.
Don't worry too much about the function notation yet, it will be discusses in depth more later in the precourse. Also check out the String.indexOf function linked to below. Reading documentation is a valuable skill that will server you well in your coding career.