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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 lookups(self, request, model_admin):
 		""" 		Return a list of tuples. 		The first element in each tuple is the coded value for the option that will 		appear in the URL query. The second element is the 		human-readable name for the option that will appear 		in the right sidebar. 		source: https://docs.djangoproject.com/en/1.10/ref/contrib/admin/#django.contrib.admin.ModelAdmin.list_filter 		"""

		statuses = [
			[x, x.replace("_", " ").title()]
			for x in models.Subscription.objects.values_list("status", flat=True).distinct()
		]
		statuses.append(["none", "No Subscription"])
		return statuses