test-data/samples/fib.py - third_party/github.com/python/mypy - Git at Google

 import typing
 parents, babies = (1, 1)
 while babies < 100:
     print('This generation has {0} babies'.format(babies))
     parents, babies = (babies, parents + babies)
	import typing
	parents, babies = (1, 1)
	while babies < 100:
	print('This generation has {0} babies'.format(babies))
	parents, babies = (babies, parents + babies)