Pascal triangle

def faktorialis (a):
	s = 1
	for szam in range(1,a+1):
		s = s*szam
	return s
a = int(input ("szam:"))

def pascalharomszog (i):
	for n in range(i):
		s = ""
		for k in range (n+1):
			e = faktorialis(n)
			f = faktorialis(n-k)
			g = faktorialis(k)			
			s = s + str(int((e/(f*g))))+" "				
		print (s.center(950," "))
pascalharomszog(a)