reduce pyhon

Q 1から５０までの和

A print reduce(lambda x,y: x+y, range(1,51))

★reduce(function, iterable, initializer)

第1引数にfunction(必須)
第2引数にiterable(必須)
第3引数にinitializer(オプション)

★コード

from functools import reduce

from operator import add
from operator import sub
from operator import mul

array = [1, 2, 3, 4, 5,6]

print(reduce(add, array)) 
print(reduce(sub, array)) 
print(reduce(mul, array))