How to merge dictionaries of dictionaries?
I need to merge multiple dictionaries, here’s what I have for instance:
dictionary
Convert [key1,val1,key2,val2] to a dict?
Let’s say I have a list a in Python whose entries conveniently map to a dictionary. Each even element represents the key to the dictionary, and the following odd element is the value
Access a particular field in arbitrarily nested JSON data
{ "status": "200", "msg": "", "data": { "time": "1515580011", "video_info": [ { "announcement": "{"announcement_id":"6","name":"INS\u8d26\u53f7","icon":"http:\/\/liveme.cms.ksmobile.net\/live\/announcement\/2017-08-18_19:44:54\/ins.png","icon_new":"http:\/\/liveme.cms.ksmobile.net\/live\/announcement\/2017-10-20_22:24:38\/4.png","videoid":"15154610218328614178","content":"FOLLOW ME PLEASE","x_coordinate":"0.22","y_coordinate":"0.23"}", "announcement_shop": "", How do I grab the content “FOLLOW ME PLEASE” from this json? replay_data = raw_replay_data['data']['video_info'][0] announcement = replay_data['announcement'] This grab the everything withing [‘announcement’] and I can’t do [‘announcement’][‘content’]. What is the right way to do this? … Read more
How does collections.defaultdict work?
I’ve read the examples in python docs, but still can’t figure out what this method means. Can somebody help? Here are two examples from the python docs
Loop through all nested dictionary values?
for k, v in d.iteritems(): if type(v) is dict: for t, c in v.iteritems(): print "{0} : {1}".format(t, c) I’m trying to loop through a dictionary and print out all key value pairs where the value is not a nested dictionary. If the value is a dictionary I want to go into it and print … Read more
Convert a Pandas DataFrame to a dictionary
I have a DataFrame with four columns. I want to convert this DataFrame to a python dictionary. I want the elements of first column be keys and the elements of other columns in same row be values.
Determine the type of an object?
Is there a simple way to determine if a variable is a list, dictionary, or something else? I am getting an object back that may be either type and I need to be able to tell the difference.
Remove duplicate dict in list in Python
I have a list of dicts, and I’d like to remove the dicts with identical key and value pairs.
How do I initialize a dictionary of empty lists in Python?
My attempt to programmatically create a dictionary of lists is failing to allow me to individually address dictionary keys. Whenever I create the dictionary of lists and try to append to one key, all of them are updated. Here’s a very simple test case: