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  2. Python - create dictionary from list of dictionaries. 20. Creating a dictionary with list of lists in ...

  3. How to access dictionary elements in a list in python

    stackoverflow.com/questions/22394783

    If you're just interested in the values you can use the values () method: for item in item_list: for key in item.values(): print item[key] My preferred way to iterate over dictionaries though is with items, which returns a tuple of key, value pairs. for item in item_list: for key, value in item.items(): print key, value.

  4. A list of lists is a valid python list, and a much better interpretation of a "dictionary" than a flat list containing only non-list values. A list of lists is at least capable of showing keys and values still grouped together.

  5. How do I return dictionary keys as a list in Python?

    stackoverflow.com/questions/16819222

    Method 1: - To get the keys using .keys () method and then convert it to list. Method 2: - To create an empty list and then append keys to the list via a loop. You can get the values with this loop as well (use .keys () for just keys and .items () for both keys and values extraction) list_of_keys.append(key)

  6. dictlistFAIL = [{}] * listsize # FAIL! as it creates a list of references to the same empty dictionary, so that if you update one dictionary in the list, all the other references get updated too. Try these updates to see the difference: dictlistGOOD[0]["key"] = "value". dictlistFAIL[0]["key"] = "value".

  7. Accessings deeply nested dictionary/list elements/values in Python. 0.

  8. In Python, when to use a Dictionary, List or Set?

    stackoverflow.com/questions/3489071

    1. Dictionary: A python dictionary is used like a hash table with key as index and object as value. List: A list is used for holding objects in an array indexed by position of that object in the array. Set: A set is a collection with functions that can tell if an object is present or not present in the set.

  9. Create a dictionary with list comprehension in Python

    stackoverflow.com/questions/1747817

    This syntax was introduced in Python 3 and backported as far as Python 2.7, so you should be able to use it regardless of which version of Python you have installed. A canonical example is taking two lists and creating a dictionary where the item at each position in the first list becomes a key and the item at the corresponding position in the ...

  10. How can I get a list of the values in a dict in Python? In Java, getting the values of a Map as a List is as easy as doing list = map.values();. I'm wondering if there is a similarly simple way in Python to get a list of values from a dict.

  11. dict () To create a dictionary we can use the built in dict function for Mapping Types as per the manual the following methods are supported. dict(one=1, two=2) dict({'one': 1, 'two': 2}) dict(zip(('one', 'two'), (1, 2))) dict([['two', 2], ['one', 1]]) The last option suggests that we supply a list of lists with 2 values or (key, value) tuples ...