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Title: Exploring For Loops with Dictionaries in Python
Introduction:
Dictionaries in Python are powerful data structures that allow you to store and organize data in key-value pairs. When it comes to iterating over dictionaries, the for loop is a handy tool. In this tutorial, we'll explore how to use a for loop to iterate over dictionaries in Python, along with code examples to illustrate the concepts.
The basic syntax of a for loop in Python is as follows:
In the case of dictionaries, the iterable is the dictionary itself, and during each iteration, the variable takes on the keys of the dictionary.
Let's start by iterating over the keys of a dictionary:
Output:
To access the corresponding values during the iteration, you can use the keys to retrieve the values:
Output:
Alternatively, you can use the items() method to iterate over both keys and values simultaneously:
Output:
If you want to iterate over a specific range of keys, you can use the list() function to convert the dictionary keys to a list and then apply range():
Output:
The for loop provides a convenient way to iterate over dictionaries in Python. Whether you need to process keys, values, or both, the examples provided in this tutorial should help you get started with efficiently handling dictionaries in your Python programs.
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