easydict的作用：可以使得以属性的方式去访问字典的值
from easydict import EasyDict as edict
a=['8',2,3]
a=edict()
a.f=99
print(a)
a.f=edict()
a.q='nihao'
a.f.t=99
print(a.f)
print(a)
m21文件代码
from easydict import EasyDict as edict
f=edict()
k=f
k.k=50
f.f='dds'
m22文件代码
import main2.m21 as m21
a=m21.f.k
print(a)
print(m21.k.f)
print(m21.f.f)