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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 print_config(self, _):
        ''' Print configuration. '''
        for section in self.config.sections():
            print '[%s]' % section
            items = dict(self.config.items(section))
            for k in items:
                print "%(a)s=%(b)s" % {'a': k, 'b': items[k]}
            print ''