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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def detect_deprecated_references_in_node(self, node):
 """ Detects if a node makes use of any deprecated standards. Returns: list of tuple: (detecting_signature, original_text, recommended_text)"""

        # Define our results list
        results = []

        # If this node has an expression, we check the underlying expression.
        if node.expression:
            results += self.detect_deprecation_in_expression(node.expression)

        # Check if there is usage of any deprecated solidity variables or functions
        for dep_node in self.DEPRECATED_NODE_TYPES:
            if node.type == dep_node[0]:
                results.append(dep_node)

        return results