Initial data commit

Task/Pascals-triangle/Python/pascals-triangle-2.py

@@ -0,0 +1,17 @@
+def scan(op, seq, it):
+  a = []
+  result = it
+  a.append(it)
+  for x in seq:
+    result = op(result, x)
+    a.append(result)
+  return a
+
+def pascal(n):
+    def nextrow(row, x):
+        return [l+r for l,r in zip(row+[0,],[0,]+row)]
+
+    return scan(nextrow, range(n-1), [1,])
+
+for row in pascal(4):
+    print(row)