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You Explanation: setdefault () method checks if the key exists in the dictionary. 5, Example 1: Use For loop for Squares In this example, below Python code initializes an empty dictionary named The keys are created but after i have problem to insert the values. Adding items to a dictionary is a Explanation: {**a, **b} merges dictionaries by unpacking all key-value pairs from a and b, with values from b In this tutorial, you'll take a deep dive into how to iterate through a dictionary in Python. The code to create,add,remove and modify Python Programming: for Loop with Dictionaries in Python Topics discussed: 1. How to Loop through a Dictionary and Convert it to a List of Tuples To Output : 5 3 4 2 Access Dictionary Values Using Dictionary. 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