4.函数和模块(1).zip

# 计算概论C(常宝宝) 课堂示例 import math # 普通函数版本 def process_square(l): r = [] for i in l: r.append(i*i) # r = [i*i for i in l] #上面的代码可以用列表解析式简化 return r def process_sin(l): r = [] for i in l: r.append(math.sin(i)) # r = [math.sin(i) for i in l] #上面的代码可以用列表解析式简化 return r def process_sqrt(l): r = [] for i in l: r.append(math.sqrt(i)) # r = [math.sqrt(i) for i in l] #上面的代码可以用列表解析式简化 return r # 高阶函数版本 def process(l, f): r = [] for i in l: r.append(f(i)) # r = [f(i) for i in l] #上面的代码可以用列表解析式简化 return r def square(x): return x*x my_list = [1,2,3,4,5] # 调用普通函数 my_list_square = process_square(my_list) my_list_sin = process_sin(my_list) my_list_sqrt = process_sqrt(my_list) print(my_list) print(my_list_square) print(my_list_sin) print(my_list_sqrt) print() # 调用高阶函数 my_list_square = process(my_list,square) my_list_sin = process(my_list, math.sin) my_list_sqrt = process(my_list,math.sqrt) print(my_list) print(my_list_square) print(my_list_sin) print(my_list_sqrt) sqrt_list = list(map(math.sqrt, my_list)) print(sqrt_list)