1.定义两个函数,求和函数和最大函数 def add(x, y): return x + y def maxnum(x, y): return x if x > y else y lst= [2, 4, 6, 9,8,98,34,90] def reduce_(function, liste , initial): result = initial for num in liste: result = function(result, num) return result print(reduc