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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 _populate_examples(self):
 """Construct every possible example for every type. This is done in two passes. The first pass assigns examples to their associated types, but does not resolve references between examples for different types. This is because the referenced examples may not yet exist. The second pass resolves references. """

        for namespace in self.api.namespaces.values():
            for data_type in namespace.data_types:
                for example in data_type._ast_node.examples.values():
                    data_type._add_example(example)

        for namespace in self.api.namespaces.values():
            for data_type in namespace.data_types:
                data_type._compute_examples()