python function with multiple return values
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In Python, a function can return multiple values using various techniques like tuples, lists, dictionaries, or custom objects. Let's explore how you can achieve this using tuples, the most commonly used method.
Python functions can pack multiple values into a tuple and return them as a single object. Here's an example:
In this example, the calculate_values function takes two arguments a and b, performs calculations (sum, difference, product), and returns these values as a tuple.
When a function returns multiple values as a tuple, you can receive them in one variable and then access the individual values by indexing. Here's an example:
Additionally, Python allows you to directly unpack the returned values into individual variables without explicitly assigning them to a variable first. For instance:
This method directly assigns the returned tuple values to variables in a single line.
Remember, while returning multiple values can be useful, it's important to maintain clarity and readability in your code. Additionally, using tuples for multiple return values is a Pythonic way, but other approaches like dictionaries or custom objects can also be used depending on the context and complexity of the data being returned.
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