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How to Access Values in Dictionaries : Index « Dictionary « Python Tutorial. 'port': 80} for key in dict2.keys(): print 'key=%s, value=%s' % (key, dict2[key]) Find the index of a dict within a list, by matching the dict's value 5 answers. I have a list li: [ {name: "Tom", age: 10}, {name: "Mark", age: 5}, tom_index = next(index for (index, d) in enumerate(lst) if d["name"] == "Tom") # 1 def build_dict(seq, key): return dict((d[key], dict(d, index=index)) for (index, d) in enumerate(seq)) info_by_name = build_dict(lst, key="name") Possible Duplicate: Inverse dictionary lookup - Python Python dictionaries have a key and a value, what you are asking for is what key(s) point Standard Python dictionaries are inherently unordered, so what you're asking to do I would like to get the value by key index from a Python dictionary. Is there a way to get it something like this? dic = {} value_at_index = dic. Use next and enumerate : >>> next((i for i,x in enumerate(a) if 'node4' in x), None) 3 How could I find the index of 'node4' in my dataset a? Dictionaries are unordered in Python. If you do not care about the order of the entries . into a list): def get_first_key(dictionary): for key in dictionary.keys(): return key first_key = get_first_key(colors) first_val = colors[first_key] If a key is present in a dictionary, I want to know what position the key is in i.e the numerical index. For example : if the dictionary consists of : That's because keys returns LazyMapCollection<[Key : Value], Key> , which is can't .. How to remove a key from a python dictionary? 125. I have the key of a python dictionary and I want to get the What's wrong with d['b d['b'] will give you 20. But I actually want to get the position of
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