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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 get_from_env():
 """Get a Resource from environment variables. :rtype: :class:`Resource` :return: A resource with type and labels from the environment. """

    type_env = os.getenv(OC_RESOURCE_TYPE)
    if type_env is None:
        return None
    type_env = type_env.strip()

    labels_env = os.getenv(OC_RESOURCE_LABELS)
    if labels_env is None:
        return Resource(type_env)

    labels = parse_labels(labels_env)

    return Resource(type_env, labels)