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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 text_should_be_visible(self, text, exact_match=False, loglevel='INFO'):

 """Verifies that element identified with text is visible.
 
 New in AppiumLibrary 1.4.5
 """

        if not self._element_find_by_text(text, exact_match).is_displayed():
            self.log_source(loglevel)
            raise AssertionError("Text '%s' should be visible "
                                 "but did not" % text)