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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 find_elements_by_partial_link_text(self, link_text):
 """ Finds elements by a partial match of their link text. :Args: - link_text: The text of the element to partial match on. :Returns: - list of webelement - a list with elements if any was found. an empty list if not :Usage: :: elements = driver.find_elements_by_partial_link_text('Sign') """

        return self.find_elements(by=By.PARTIAL_LINK_TEXT, value=link_text)