Python 3.7.0 (v3.7.0:1bf9cc5093, Jun 27 2018, 04:59:51) [MSC v.1914 64 bit (AMD64)] on win32
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> import pickle
> mydict = {'id':123, 'name':'abc'}
> pickle_str = pickle.dumps(mydict)
> pickle_str
b'\x80\x03}q\x00(X\x02\x00\x00\x00idq\x01K{X\x04\x00\x00\x00nameq\x02X\x03\x00\x00\x00abcq\x03u.'
> newdict = pickle.loads(pickle_str)
> newdict
{'id': 123, 'name': 'abc'}

> import pickle
> mydict = {'id':123, 'name':'abc'}
> file = open('pickle.txt','wb')
> pickle.dump(mydict, file)
> file.close()

> import pickle
> file = open('pickle.txt','rb')
> newdict = pickle.load(file)
> file.close()
> newdict
{'id': 123, 'name': 'abc'}