blaisepascal.py

#!/usr/bin/env python
importmath


defgen(n, r=[]):
forxinrange(n):
l=len(r)
r= [1ifi==0ori==lelser[i-1] +r[i] foriinrange(l+1)]
yieldr

sum=0
# now we can print a result:

forrowinlist(gen(2017)):
iflen(row) ==1:
sum=sum+1

iflen(row) >1andlen(row) %2!=0: # odd row
el= ((len(row) +1) /2) -1
sum=sum+row[el]

printsum