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So the items themselves are same -- the container delivering the items are different. One is a list, the other an iterator (depending on the Python version.) So the applicable differences between. for keyvalue in dict.items(): key, value = keyvalue[0], keyvalue[1] Remember that a for loop always iterates over the individual elements of the iterator you give it. dict.items() returns a list-like object of. Apr 26, 2016 · It returns a list of items (in python3 dict_items object), that you cannot assign them to two variable. If you want to separately get the keys and values you can use dict.keys() and dict.values(). Dec 20, 2012 · Difference between .items () and .keys () Asked 13 years, 2 months ago Modified 11 years, 4 months ago Viewed 6k times Also, since items returns a copy of the dictionary’s list of (key, value) pairs, it is less efficient, unless you want to create a copy anyway. In Python 2, it is best to use iteritems for iteration.
Aug 21, 2015 · Basically, the if condition ensures that foreach block will execute only if items is not null. I'm wondering if the if condition is really needed, or foreach will handle the case if items == null. If you are only interested in counting instances of a single element in a list, see How do I count the occurrences of a list item?. Mar 17, 2020 · 0 In my case I've configured conftest.py but forgot to fix pytest.ini file. anybody struggling with Collected 0 items try to fix pytest.ini file. 4 In python dict.items returns a list of tuples containing both the keys and the values of the dict. Javascript doesn't have tuples, so it would have to be a nested array. If you'll excuse me a little.
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