tasks a-s

Task/Pascals-triangle/Python/pascals-triangle-1.py

@@ -0,0 +1,9 @@
+def pascal(n):
+   """Prints out n rows of Pascal's triangle.
+   It returns False for failure and True for success."""
+   row = [1]
+   k = [0]
+   for x in range(max(n,0)):
+      print row
+      row=[l+r for l,r in zip(row+k,k+row)]
+   return n>=1