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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 visit_DictComp(self, node: AST, dfltChaining: bool = True) -> str: """Return `node`s representation as dict comprehension."""

        return f"{{{self.visit(node.key)}: {self.visit(node.value)} " \
               f"{' '.join(self.visit(gen) for gen in node.generators)}}}"