Add a dictionary to the list of dictionaries

Question

There is a type dictionary

z = { 'a': 1, 's': [{'d': 2, 'f': 3}{'d': 2, 'f': 3}{'d': 2, 'f': 3}]}

it is necessary to add a key \ value from the main dictionary to each of the nested ones without changing the structure

 z = { 'a': 1, 's': [{'d': 2, 'f': 3,'a': 1}{'d': 2, 'f': 3,'a': 1}{'d': 2, 'f': 3,'a': 1}]}

for i in z ['a']: z ['a'] [i] .append (z ['a']) there is a problem with the data type

tonal tonal 1,456 3 6 · Answer 1 · 2016-04-28T10:53:11

Let's write a small function for convenience:

 def update_dicts(dicts, **kwds): for d in dicts: d.update(**kwds)

Further we will call it on the presented data:

 z = { 'a': 1, 's': [{'d': 2, 'f': 3}, {'d': 2, 'f': 3}, {'d': 2, 'f': 3}]} update_dicts(z['s'], a=z['a'])

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