kontrollsiffra personnummer oneliner in python

def pnr(nr,d=2,c=0,i=0): return (i==9) and 10-(c%10) or pnr(str(nr),3-d,c+(d*int(nr[i]))%10+(d*int(nr[i]))/10,i+1)



def pnr(p):
    a,p=[0,2,4,6,8,1,3,5,7,9],[int(i) for i in p]
    return 10-(a[p[0]]+p[1]+a[p[2]]+p[3]+a[p[4]]+p[5]+a[p[6]]+p[7]+a[p[8]])%10

print "sista siffran = %d" % pnr("6408233234"[:-1])