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![my attempt at solving leetcode 3120: count the number of special characters [SOLVED]](/_next/image?url=https%3A%2F%2Fi.ytimg.com%2Fvi%2FAbqA52TCKs8%2Fhq720.jpg%3Fsqp%3D-oaymwEXCNAFEJQDSFryq4qpAwkIARUAAIhCGAE%3D%26rs%3DAOn4CLDwn6D-uETmF6p8rC4R_9ESI4YERA&w=256&q=75)
