# NOTE: each following line was performed in sequence via irb.
# test is an array
>> test
=> ["a", "b", "a"]

# this prints out the result of the count method
>> test.count("a")
=> 2

# BUT this does not! WHY? Is it some irb anomaly?
>> test.each do |k|
?> test.count("a")
>> end
=> ["a", "b", "a"]


>> test.each do |k|
?> puts test.count("a")
>> end
2
2
2
=> ["a", "b", "a"]
>>