In Python (v2.7), we have 2 type of loops - For and While

In this post, we printed few know series. These are not useful as is, in your application but these are surely going to help you in building logical concepts using loops.

In this post, we printed few know series. These are not useful as is, in your application but these are surely going to help you in building logical concepts using loops.

**1. Right triangle using multiples of 5**for x in range(5,50,5): for y in xrange(5,x,5): print y, print ""

**2. Right triangle from group of numbers**for x in range(3,15,3): for y in xrange(3,x): print y, print ""

**3. Left triangle**for x in xrange(1,5): for y in xrange(1,5): if y < 4 - x + 1: print " ", else: print y, print ""

**4. Pyramid structure**for x in xrange(1,5): for y in xrange(1,8): if (y >= 5 - x and y <= 5 + x - 2): print (x+y)-4, else: print " ", print ""

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