46 Filter Map Reduce.txt

                               demo.py
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from functools import reduce

nums = [3,2,6,8,4,6,2,9]

evens = list(filter(lambda n : n%2==0,nums))

doubles = list(map(lambda n : n*2,evens))
print(doubles)

sum = reduce(lambda a,b : a+b,doubles)

print(sum)