reduce鍑芥暟鏄疨ython鍐呯疆鐨勪竴涓珮闃跺嚱鏁帮紝瀹冩帴鏀朵竴涓嚱鏁板拰涓€涓彲杩唬瀵硅薄浣滀负鍙傛暟锛岄€氳繃瀵瑰彲杩唬瀵硅薄涓殑鍏冪礌杩涜绱Н鎿嶄綔锛屾渶缁堣繑鍥炰竴涓粨鏋溿€?/p>

浣跨敤reduce鍑芥暟闇€瑕佸厛瀵煎叆functools妯″潡锛岀劧鍚庝娇鐢╢unctools.reduce()鏉ヨ皟鐢ㄣ€?/p>

涓嬮潰鏄痳educe鍑芥暟鐨勫熀鏈娉曪細

reduce(function, iterable[, initializer])

鍏朵腑锛?/p>

• function锛氳嚜瀹氫箟鍑芥暟锛屾帴鏀朵袱涓弬鏁板苟杩斿洖涓€涓粨鏋溿€?/p>

• iterable锛氬彲杩唬瀵硅薄锛屽寘鍚杩涜绱Н鎿嶄綔鐨勫厓绱犮€?/p>

• initializer锛堝彲閫夛級锛氬垵濮嬪€硷紝榛樿涓嶆彁渚涖€傚鏋滄彁渚涗簡鍒濆鍊硷紝鍒欏湪鍙凯浠ｅ璞＄殑绗竴涓厓绱犲墠搴旂敤鍒濆鍊煎拰绗竴涓厓绱犱綔涓哄弬鏁颁紶閫掔粰function鍑芥暟銆?/p>

涓嬮潰鏄竴涓畝鍗曠殑渚嬪瓙锛屾紨绀哄浣曚娇鐢╮educe鍑芥暟璁＄畻涓€涓垪琛ㄤ腑鎵€鏈夊厓绱犵殑绱姞鍜岋細

from functools import reduce
numbers = [1, 2, 3, 4, 5]
def add(x, y):
return x + y
sum = reduce(add, numbers)
print(sum)  # 杈撳嚭15

鍦ㄤ笂闈㈢殑浠ｇ爜涓紝add鍑芥暟鎺ユ敹涓や釜鍙傛暟骞惰繑鍥炲畠浠殑鍜屻€俽educe鍑芥暟灏哸dd鍑芥暟渚濇搴旂敤浜巒umbers鍒楄〃涓殑鍏冪礌锛屾渶缁堣繑鍥炵疮鍔犲拰銆?/p>

闇€瑕佹敞鎰忕殑鏄紝reduce鍑芥暟鍦≒ython 3涓绉诲姩鍒颁簡functools妯″潡锛屾墍浠ラ渶瑕佸鍏unctools妯″潡鎵嶈兘浣跨敤reduce鍑芥暟銆?/p>