Скачать или смотреть for loop in dictionary in python

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Certainly! Here's an informative tutorial on using for loops with dictionaries in Python, along with code examples:
Dictionaries in Python are versatile data structures that allow you to store key-value pairs. One common task when working with dictionaries is iterating through their elements, and Python's for loop provides an elegant way to achieve this. In this tutorial, we'll explore how to use for loops with dictionaries and provide examples to illustrate their usage.
Before diving into dictionaries, let's briefly review the basic syntax of a for loop in Python:
Here, iterable can be any object that can be iterated over, such as a list, tuple, or dictionary.
The most straightforward way to iterate through a dictionary is to loop over its keys. In Python, you can achieve this using the keys() method. Here's an example:
This will output:
If you're interested in the values of the dictionary, you can use the values() method:
This will output:
Sometimes, you may need both the keys and values of a dictionary. You can achieve this using the items() method:
This will output:
You can combine for loops with conditional statements to perform actions based on certain conditions. Here's an example where we print only the key-value pairs where the value is greater than 1:
This will output:
In this tutorial, we've explored how to use for loops with dictionaries in Python, covering iteration through keys, values, and key-value pairs. Understanding these techniques will help you effectively work with dictionaries in various scenarios.
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