![]() ![]() We move ahead to create a merge dictionary in Python using the for loop and keys() method where the first sample dictionary elements, as well as the second sample dictionary elements key-value pairs, get added to form a new merged dictionary.By iterating over the key-value pairs using for loop and selecting the keys using the keys() method you can merge two dictionaries that are, the second dictionary with the first one easily.īut with this method, you need to run so many loops that it's not an efficient way to merge two dictionaries in Python. One of the crudest ways of merging two dictionaries in Python is by using the for loop and keys() method. Methos 2 : Using for Loop and keys() Method We print both the dictionary to see the final results. Here, the first dictionary got modified with key-value pairs from the second dictionary getting modified and added to the first dictionary. We finally print the modified merge of two dictionaries in Python where we see that the elements in the final dictionary are from both the two dictionaries we defined in the first place.Īs seen above, we implemented the dict.update() method to merge two dictionaries in Python where we added elements from both dictionaries as one bigger dictionary.Also, no modification happens in the second dictionary. We move ahead to create a merge dictionary in Python using the dict.update() method where the first sample dictionary gets modified as the key-value pairs from the second dictionary get added to the first one.We then print these sample dictionaries in Python.We start by defining the sample dictionaries in Python with various key-value pairs.We avoid creating the third dictionary when we use the dict.update() method to store the first dictionary element and simply update the second dictionary element to the first one. Here the current dictionary also gets modified, hence it is advised to create a copy of this dictionary before actually operating on the dictionary. With the dict.update() method, we can merge two dictionaries in Python as in this method the elements of one dictionary are merged with the elements from the other dictionary in place and overwrites the existing keys. Method 1 : Using the dict.update() Method How we initialliy have the two dictionaries is show below: Let us start to discuss each of them with code examples and elaborative explanations as we move ahead in the article.īelow are two sample dictionaries that we shall be used to merge two dictionaries with the various methods listed above. ![]()
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