![]() The outermost list comprehension creates a single list of tuple-pairs for each key and converts it back to a list of dictionaries. Using this, we make sure we use keys (for making our new dict) that are present in both the dicts (Otherwise, you may get KeyError). # Define two dictionaries containing different key-value pairsĭictionary1 = Īlso, take a look at some more Python tutorials. For earlier versions of Python 3, we can combine by unpacking both dictionaries inside another dictionary, using the double asterisks. The list comprehension around that (lines 3-9) creates a list of lists where each inner list is a combined list of dictionaries for that index/key with a particular index value. I have used & to get an intersections of keys in the two dictionaries. The update() method merges the keys and values of one dictionary into another. Method-1: Python concatenate dictionary using the update() method There are several ways to concatenate dictionaries in Python, including using the update() method, the ** operator, and the chain() method from the itertools module and etc. In some cases, you may need to concatenate two or more dictionaries together to create a larger dictionary. Method-8: Python concatenate dictionary using the reduce() function.Method-7: Python concatenate dictionary using the dictionary comprehension. ![]()
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