列表生成式&生成器表达式

一、列表生成式

def func():
    return [lambda x:i*x for i in range(4)]
print([j(2) for j in func()])

结果：[6,6,6,6]

二、生成器表达式

def func():
    return (lambda x:i*x for i in range(4))
print([j(2) for j in func()])

结果：[0,2,4,6]