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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 linkedin(self, qs):
 """ CSV format suitable for importing into linkedin Groups. perfect for pre-approving members of a linkedin group. """

        csvf = writer(sys.stdout)
        csvf.writerow(['First Name', 'Last Name', 'Email'])
        for ent in qs:
            csvf.writerow([ent['first_name'], ent['last_name'], ent['email']])