You can split a Ruby string into an array of characters by using the chars method, for example, like so:
chars_arr = "foo bar".chars print chars_arr #=> ["f", "o", "o", " ", "b", "a", "r"] print chars_arr.class #=> Array
Alternatively, you can also use the split method with no delimiter, for example, like so:
chars_arr = "foo bar".split("")
print chars_arr #=> ["f", "o", "o", " ", "b", "a", "r"]
print chars_arr.class #=> Array
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