How to Use Dictionaries Inside a Function in Python

A dictionary is a pre-built data structure in Python that holds a set of key-value pairs. Each key is associated with a value, and you can use the key to access the corresponding value. 

In Python, dictionaries can be used inside functions like any other data type. You can also modify a dictionary inside a function by adding, removing, or updating items. It's important to note that when passing a dictionary to a function, it will be passed by reference, not by value, so any changes made to the dictionary inside the function will affect the original dictionary. 

You may traverse through the key-value pairs using a "for" loop and the "items()" function. 

• for loop: Python's for loop is a control structure that enables you to repeatedly iterate over a series of items, such as a list, a tuple, a string, or a range, and to run a block of code for each one of them. 
• items(): The items() method is a built-in method of dictionaries in Python that returns a view object containing the key-value pairs of the dictionary as tuples. 

Please check the code below to use the dictionaries inside a function in Python. 

Fig : Preview of the output that you will get on running this code from your IDE.

Code

Instructions

Follow the steps carefully to get the output easily.

1. Install python on your IDE(Any of your favorite IDE).
2. Copy the snippet using the 'copy' and paste it in your IDE.
3. Run the file to generate the output.

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Environment Tested

I tested this solution in the following versions. Be mindful of changes when working with other versions.

1. The solution is created in PyCharm 2021.3.
2. The solution is tested on Python 3.9.7.

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