rdhyee / triangular.py

Created May 22, 2013


    
    View triangular.py 
  
  
      triangular.py
    
    
        Raw
      
    
    File suppressed. Click to show.
  
  
            1
            2
            3
            4
            5
            6
            7
            8
            9
            10
            11
            12
            13
            14
          
          
            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