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Ruby 中的字符串是如何工作的?
irb 2.7.2 :001 > "A""B" => "AB" 2.7.2 :002 > a = "A""B" => "AB" 2.7.2 :003 > a => "AB" 2.7.2 :004 > x = "X"'Y'"Z" => "XYZ" 2.7.2 :005 > x => "XYZ"
请告诉我为什么它会这样工作