Creating Nested Dictionaries Confusion

[gw1500se]

I'm afraid I am not understanding dictionaries. After reading various articles the only thing I learned is I don't know what I am doing. To start, I am trying to produce this json structure.

Output:
{"stoker":{"sensors":null,"blowers":null}}

Here is the code I can't get right:

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data={'stoker':{}} data1['sensors']='null' data1.update('blowers','null') data['stoker'].update(data1)

I cannot figure out the syntax for nesting the 2nd dictionary (date1). Can someone give me a brief tutorial? TIA.

[Yoriz]

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data = {'stoker': {}} data1 = {} data1['sensors'] = 'null' data1.update({'blowers': 'null'}) data['stoker'].update(data1)   print(data)

Output:
{'stoker': {'sensors': 'null', 'blowers': 'null'}}

[gw1500se]

Great, thanks. I see now what I did wrong and why.