Use endswith with multiple extensions

by

Use a tuple for it.

>>> ext = [".3g2", ".3gp", ".asf", ".asx", ".avi", ".flv", \
                        ".m2ts", ".mkv", ".mov", ".mp4", ".mpg", ".mpeg", \
                        ".rm", ".swf", ".vob", ".wmv"]

>>> ".wmv".endswith(tuple(ext))
True
>>> ".rand".endswith(tuple(ext))
False

Instead of converting everytime, just convert it to tuple once.

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