How can I use dictionaries in Python for advanced data manipulation?
You can use dictionaries for advanced data manipulation by leveraging methods like update()
, setdefault()
, and comprehensions.
Can you explain how dictionary comprehensions work?
Sure! Dictionary comprehensions allow you to create dictionaries in a single line using a syntax similar to list comprehensions. For example: {key: value for key, value in iterable}
.
What are some common use cases for nested dictionaries?
Nested dictionaries are great for representing complex data structures, like JSON objects, where you can store related data in a hierarchical format.
How do I merge two dictionaries in Python?
You can merge two dictionaries using the update()
method or the |
operator in Python 3.9 and later.
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