FAQ: Methods, Blocks, & Sorting - Practice Makes Perfect


This community-built FAQ covers the “Practice Makes Perfect” exercise from the lesson “Methods, Blocks, & Sorting”.

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This exercise can be found in the following Codecademy content:

Learn Ruby

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These lessons keep using phrases like “define a method that takes two arguments” and “define a method that takes a parameter called …” interchangeably.

I think this confuses the idea of what is a parameter and what is an argument

For beginners, it should be more consistent. I know that a method ‘has’ parameters, and ‘receives’ arguments. But the lessons are getting them mixed up and this could confuse beginners.


So I understand most of method one -

def greeter(name)
return “Hello, #{name}!”


Why is # used in the second line, why not +?