how to calculate pascal triangle in one line function python code example

Example: pascal's triangle python reverse function

def pascal_triangle(n):
   	trow = [1]
   	y = [0]
   	for x in range(max(n,0)):
      	print(trow)
      	trow=[l+r for l,r in zip(trow+y, y+trow)]
   	return n>=1
pascal_triangle(6)