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FAQ: Thith Meanth War! - Setting Up the 'If' Branch, Part 2

This community-built FAQ covers the “Setting Up the ‘If’ Branch, Part 2” exercise from the lesson “Thith Meanth War!”.

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FAQs on the exercise Setting Up the ‘If’ Branch, Part 2

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My code, that wasn’t accepted:

print "Please enter a string. "
user_input = gets.chomp.downcase!

if user_input.include? "s"
	user_input.gsub!(/s/, "th")


print "Pleathe enter a thtring: " 
user_input = gets.chomp

if user_input.include? "s"
  user_input.gsub!(/s/, "th")

It’s the same, no?

" The syntax looks like this: rb string_to_change.gsub!(/s/, "th") "

Why is “rb” infront of the “string_to_change”?


Chaining the downcase method will behave as expected IF we don’ t attach the bang method. With the bang method the user input MUST contain at least one uppercase letter else the method will return nil. That will throw an error on the include? method… nil class has no attribute, include?.

As for why the author chose not to chain, only they can tell us that. The SCT is not exhaustive so we will have to expect some of our working solutions to not be accepted. Such is the case.

Remember to print your user_input

This is how mine looks like

print "What are you thinking?"
user_input = gets.chomp

if user_input.include? "s"
  print "not cool"

print "This is what you said #{user_input}"

print “This is what you said #{user_input}”