Reference library

Comprehensions & generators

List/dict/set comprehensions, generator expressions, and lazy iteration.

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Comprehensions & generators easy

How to Build a Sliding Window Generator in Python

Create a generator that yields fixed-size overlapping slices of a sequence, useful for efficient windowed iteration.

generators sliding-window iteration
Python 
def sliding_window(sequence, size):
    for i in range(len(sequence) - size + 1):
        yield sequence[i:i + size]

if __name__ == "__main__":
    data = [1, 2, 3, 4, 5]
    n = 3
    for window in sliding_window(data, n):
        print(window)
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Comprehensions & generators — Python code examples

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