HTML Entity Parser

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class Solution:
    def entityParser(self, text: str) -> str:
        if text is None or len(text) == 0:
            return ""

        # Mapping of HTML entities to their corresponding characters
        entities = {
            "&quot;": '"',
            "&apos;": "'",
            "&gt;": '>',
            "&lt;": '<',
            "&frasl;": '/',
        }

        # Iterate through the entities and replace them in the text
        for entity, char in entities.items():
            text = text.replace(entity, char)

        return text.replace("&amp;", "&")  # "&" must be put in last;