def f():
print("call f()...")
def g():
print("call g()...")
return g
x = f()
x()
def Get_abs(x):
return abs(x) #返回值
print(Get_abs(-5))
def fun_abs():
return abs #返回函数
Fun_abs = fun_abs()
print(Fun_abs(-4))
def calc_sum(lst):
def lazy_sum():
return sum(lst)
return lazy_sum
f= calc_sum([1, 2, 3, 4])
print(f())
3万+

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