/triangular.py
Created May 22, 2013
| from itertools import islice | |
| def triangular(): | |
| n = 1 | |
| i = 1 | |
| while True: | |
| yield n | |
| i +=1 | |
| n += i | |
| # <codecell> | |
| for i, n in enumerate(islice(triangular(), 10)): | |
| print i+1, n |
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