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Dictionaries in Python are a versatile and powerful data structure that allows you to store and retrieve key-value pairs efficiently. In this tutorial, we will explore how to add elements to a dictionary using various methods.
A dictionary in Python is defined using curly braces {}. Each key-value pair is separated by a colon :. Here is a basic example:
You can add a new key-value pair to a dictionary by simply assigning a value to a new key.
The update method allows you to add multiple key-value pairs to a dictionary at once.
The setdefault method is useful when you want to add a key-value pair only if the key does not already exist in the dictionary.
You can use dictionary comprehension to add elements based on a condition or from an existing iterable.
Adding elements to a dictionary in Python is a straightforward process, and you can choose the method that best suits your specific use case. Whether it's a single key-value pair or multiple pairs, these methods provide flexibility and efficiency in managing your dictionaries.
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