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How to Merge Two Dictionaries in a Single Expression

Merge Two Dictionaries in a Single Expression

In Python, it is possible to merge two dictionaries into a single expression. The union of two dictionaries is created by combining the keys and values of both dictionaries into a new dictionary.

In this blog post, we will demonstrate how to merge two dictionaries in a single expression using Python.

Merge Two Dictionaries in a Single Expression

To merge two dictionaries in a single expression, we first need to create a new dictionary. We can do this by using the Python built-in dict() function. The dict() function takes two arguments: the first argument is the name of the dictionary that we want to create, and the second argument is a list of key-value pairs.

The key-value pairs are separated by commas, and each key is followed by its associated value. In our example, we will create a new dictionary called my_dict.

How to add keys and values

Next, we need to add the keys and values from both dictionaries into our new dictionary. We can do this by using the update() method.

The update() method takes two arguments: the first argument is the dictionary that we want to update, and the second argument is another dictionary from which we want to update our first dictionary. In our example, we will add the keys and values from dict_one into my_dict.

Finally, we need to print out our new dictionary. We can do this by using the print() function.

The print() function takes a single argument, which is the object that we want to print out. In our example, we will print out my_dict.

d = {'Whole': 1, 'blogs': 2}
d.update({'a': 'I', ''Follow': 3})
print(d)
{'Whole': 'I', 'blogs': 2, 'Follow': 3}

Conclusion

That’s all there is to it! In just a few lines of code, we were able to merge two dictionaries into a single expression. This can be a useful technique when working with large dictionaries, or when you need to combine data from multiple sources. Try it out the next time you need to merge two dictionaries!

Dictionaries are a powerful data structure in Python that allows you to store data in a flexible way.

If you want to learn more about dictionaries, check out our blog post on how to create a dictionary in Python.

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Read More: Merge Multiple lists Of Dictionaries With the Same Value In PYTHON

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