Python yield vs return example
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sure! in python, the `yield` statement is used inside a function to turn it into a generator. generators are iterators that can be iterated over using a loop, just like lists or tuples, but they are more memory efficient as they generate values on the fly rather than storing them all in memory.
on the other hand, the `return` statement is used to return a value from a function and exit the function's execution.
here is an example to demonstrate the difference between `yield` and `return` in python:
in this example, the `square_numbers` function is a generator that yields the square of numbers from 0 to n-1. when we call the function and iterate over it, the squares are generated one by one, and only the current value is stored in memory.
in this example, the `square_numbers` function returns a list of squared numbers from 0 to n-1. when we call the function and iterate over the returned list, all the squared values are stored in memory at once.
in summary, using `yield` allows you to create generators that are memory efficient and generate values lazily, while using `return` returns a value and exits the function immediately. choose between `yield` and `return` based on your specific use case and memory constraints.
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