How can I merge dictionaries in Python 3.9?

How can I merge dictionaries in Python 3.9?

In Python 3.9, you can merge dictionaries using the | operator. For example, dict1 | dict2 merges dict1 and dict2.

What happens if there are duplicate keys?

If there are duplicate keys, the values from the second dictionary will overwrite those from the first.

Can I merge more than two dictionaries at once?

Yes, you can merge multiple dictionaries by chaining the | operator, like dict1 | dict2 | dict3.

Is there a method to merge dictionaries in earlier versions of Python?

Yes, in earlier versions, you can use the update() method or dictionary comprehensions to merge dictionaries.