"This is a string." "123" "The word ""hello"" is quoted." 'This is also a string.' '123' 'Last Year''s Sales'
'Not a valid string."
"hello" [2] //Equal to "e" "hello" [-5] //Equal to "h" "604-555-1234" [1 to 3] //Equal to "604" "abcdef" [-3 to -1] //Equal to "def"
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