In irb, an array displays like this:

irb(main):001:0> a = %w(bird dog cat)
=> ["bird", "dog", "cat"]
irb(main):002:0>

Is there a command to get the same format when I display an array with a
program?

r1test.rb:
----------
a1 = %w(cat dog bird)
puts a1

$ ruby r1test.rb
cat
dog
bird


Also, this code:

----------
a1 = %w(cat dog bird)
puts a1

puts

a2 = %w{john joe jim}
puts a2

--output:--
cat
dog
bird
john
joe
jim
-----------------

seems to suggest that braces and parentheses are equivalent.  Is that
the case?

Thanks
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