How-to articles, tricks, and solutions about DICTIONARY
Check if a given key already exists in a dictionary
To check if a given key already exists in a dictionary, you can use the in keyword.
Convert a JSON String to a HashMap
Here is an example of how you can convert a JSON string to a HashMap in Java:
Convert list of dictionaries to a pandas DataFrame
Here is an example of how to convert a list of dictionaries to a pandas DataFrame:
Create a dictionary with comprehension
To create a dictionary using comprehension in Python, you can use the following syntax:
Delete an element from a dictionary
To delete an element from a dictionary in Python, you can use the del statement.