标签:func 闭包 环境 cti com 人工智 oca 人工 讲解
[来源:廖雪峰的官方网站](https://www.liaoxuefeng.com/)
#No.1
def lazy_sum(*args):
def sum():
ax = 0
for n in args:
ax = ax + n
return ax
return sum
f = lazy_sum(1, 3, 5, 7, 9)
print(f)
x = f()
print(x)
resut:
d:\fly\Python (master -> origin)
λ python test.py
<function lazy_sum.<locals>.sum at 0x0000014CE4C5C9D8>
25
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#No.2
def f1(x):
def f2(y):
return y ** x
return f2
a = f1(3)
b = a(2)
c = a(3)
print(b, c)
外层环境(f1),内层函数(f2)
f1为f2提供运行环境
resut:
d:\fly\Python (master -> origin)
λ python test.py
8 27
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标签:func 闭包 环境 cti com 人工智 oca 人工 讲解
原文地址:https://www.cnblogs.com/flyin9/p/9070285.html