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use std::str;
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pub fn braille_symbol(nu: u8) -> String {
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let lower = (nu & 0b00111111) + 0b10000000;
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let upper = ((nu & 0b11000000) >> 6) + 0b10100000;
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let symbol: Vec<u8> = vec![0b11100010, upper, lower];
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str::from_utf8(&symbol).unwrap().to_string()
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}
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