How-to articles, tricks, and solutions about DICTIONARY
How does collections.defaultdict work?
collections.defaultdict is a subclass of the built-in dict class in Python.
How to directly initialize a HashMap in Java?
To directly initialize a HashMap in Java, you can use the put() method to add elements to the map.
How to print a dictionary's key?
To print the keys of a dictionary in Python, you can use the built-in keys() method.
I'm getting Key error in python
A KeyError in Python is raised when a dictionary key is not found in the dictionary.
Java - How to create new Entry (key, value)
To create a new key-value pair in a Map in Java, you can use the put method.
Reverse / invert a dictionary mapping
Here's an example of how you can reverse or invert a dictionary mapping in Python: