Hello,

I have a somewhat basic question: lets say that in my working directory
I have a file called my_vars.rb.

It contains:
  x = 5.0
  puts "your variable x is #{x}"

Now, I fire up irb in my command window, and type in
  require "my_vars.rb"

Which outputs, as expected,
  your variable x is 5.0
  => true

Now, I want to access that variable again, so I enter in:
  puts x

and I get an error saying that x is undefined.  It's like it was
temporarily there in memory, but then once it was used, it got thrown
away!  Does anyone know how to load in a file and keep using the
variables that were in said file?

Thanks!
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