programming-examples/python/Function/Python function that that prints out the first n rows of Pascal's triangle.py

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)