checkcode = {'0': '1', '1': '0', '2': 'X', '3': '9', '4': '8', '5': '7', '6': '6', '7': '5', '8': '5', '9': '3',
'10': '2'}
class Foo():
pass
Foo.model=checkcode
print(id(Foo.model))
print(Foo.model.get('0'))
foo=Foo()
foo.model=checkcode
print(id(foo.model))
print(foo.model.get('0'))
'''
2131657178632
1
2131657178632
1
'''