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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 remove_log_action(portal):
 """Removes the old Log action from types """

    logger.info("Removing Log Tab ...")
    portal_types = api.get_tool("portal_types")
    for name in portal_types.listContentTypes():
        ti = portal_types[name]
        actions = map(lambda action: action.id, ti._actions)
        for index, action in enumerate(actions):
            if action == "log":
                logger.info("Removing Log Action for {}".format(name))
                ti.deleteActions([index])
                break
    logger.info("Removing Log Tab [DONE]")