python批量创建对象

1、函数内（locals）:

class A():
    def __init__(self):
        self.val = 10
for i in range(10):
    locals()[f'x{i}'] = A()

2、类内：

class A():
    def __init__(self):
        self.val = 10

class B():
    def __init__(self):
        for i in range(10):
            self.__dict__[f'x{i}'] = A()

3、全局（globals）：

        和locals类似