python3 int类型写到mongo转为NumberLong类型

import bson

a=bson.int64.Int64(123)
print(a)
print(type(a))

>>> import bson
>>> bson.int64.Int64(111)
111
>>> a=bson.int64.Int64(111)
>>> type(a)
<class 'bson.int64.Int64'>