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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 names(self):
 """Grab all packages name """

        pkg_names = []
        for line in self.SLACKBUILDS_TXT.splitlines():
            if line.startswith(self.line_name):
                pkg_names.append(line[17:].strip())
        return pkg_names