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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 is_vertex_field_type(graphql_type):
 """Return True if the argument is a vertex field type, and False otherwise."""

    # This will need to change if we ever support complex embedded types or edge field types.
    underlying_type = strip_non_null_from_type(graphql_type)
    return isinstance(underlying_type, (GraphQLInterfaceType, GraphQLObjectType, GraphQLUnionType))