Dice.py

from random import randint
from operator import add

times = 10
# Step 1:  Rooling dice and record result into array
genseq = map (lambda _: randint(1,6) , [i for i in range(times)] )

#Steap 2: Count occurances

# bmap : map a number into bitmap array, eg: 2 -> [0,1,0,0,0,0](one hot encoding)
bmap =  lambda n : ( [ 1 if n == i+1   else 0 for i in range(6) ] )
rcnt1= reduce( lambda l1, l2 : map(add,l1,l2)  , map(bmap, genseq))               


# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 
#  or in one line code:
rcnt = reduce( lambda l1, l2 : map(add,l1,l2),  
                map ( lambda n : [ 1 if n == i+1   else 0 for i in range(6) ] ,
                    map (lambda _: randint(1,6) , [i for i in range(times)] )))