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rdhyee/triangular.py
Created May 22, 2013

calculating triangular numbers

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triangular.py

      
        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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