Advanced Python Dictionaries Tips: 7 Tips For Better
7 Advanced Python Dictionaries Tips
1. #Merge Two Dictionaries
it’s been possible to easily merge two dictionaries, using double asterisk kwargs or pipe
2. Check if a #Key #Exists in a Dictionary
To see if a key exists in a dictionary, you can use the in keyword.
3. #Remove an Item from a Dictionary
To easily remove an item from dictionary, you can use the pop function. The pop function returns the value of the key being removed.
4. #Dictionary Comprehensions
Python Dictionary Comprehensions can allow you to easily iterate over both the key and the value.
5. #Drop Empty Items from a Dictionary
Let’s use a list comprehension to remove all empty items from a dictionary. An item is considered empty when it has a None value.
6. Use Get Instead of the Dictionary Accessor
To access a Python dictionary item, you can use square bracket notation.
7. #Filter a Dictionary Based on Values
You could do a filter with a for loop or (much easier) with a dictionary comprehension.
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