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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 add_threading(self, flag):
 		""" 		Indicates that this wrapper should use threading by appending an 		argument with the specified `flag` followed by the number of threads 		specified in the BioLite configuration file. 		"""

		threads = min(int(config.get_resource('threads')), self.max_concurrency)
		if threads > 1:
			self.args.append(flag)
			self.args.append(threads)