Скачать или смотреть How to Convert a Dictionary into a List of Dictionaries in Python Step-by-Step

Learn how to convert a dictionary into a structured list of dictionaries in Python using a simple transformation function.
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How to Convert a Dictionary into a List of Dictionaries in Python

When working with data, especially in face of JSON, you may encounter a situation where you need to transform a dictionary into a list of dictionaries for better manipulation and analysis. This process can help structure your data effectively, making it more useful for analysis or presentation. In this guide, we will address the question: "How to do one dict into list of multi dict in Python?"

Understanding the Problem

Let’s begin by looking at a simple dictionary structure that we have:

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Our goal is to convert the above dictionary into a specific list format. The expected output is:

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This structured format allows us to pair keys with their respective values while maintaining common properties in a neat, organized manner.

The Solution

To achieve this transformation, we can create a function that can handle our dictionary efficiently. Here’s how you can implement this:

Step-by-Step Breakdown

Define the Function: We will create a function called transform that takes the dictionary and two lists as parameters.

Identify Common Keys: Inside the function, we need to identify which parts of our dictionary will be common across our new list entries (in this case, the value for 'type').

Build the Output: Using a list comprehension, we will create a list of dictionaries that includes keys and their respective values.

Implementation

Here is the actual function implementation:

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Example Usage

Now, let’s put our function to the test using the original data dictionary:

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When you run the code, you should get the following output:

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Conclusion

Transforming a dictionary into a list of dictionaries in Python can effectively enhance data organization and accessibility. By following the steps outlined in this guide, you can implement your own transformation function to adapt your data as needed. Whether you are handling simple or complex dictionaries, this method allows you to maintain clarity and structure.

If you have more complex data structures or additional keys, simply update the non_key_value and key_value lists to fit your needs. Happy coding!