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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 click_element(self, locator):

 """Click element identified by `locator`.
 
 Key attributes for arbitrary elements are `index` and `name`. See
 `introduction` for details about locating elements.
 """

        self._info("Clicking element '%s'." % locator)
        self._element_find(locator, True, True).click()