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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get_unpack_formats():
 """Returns a list of supported formats for unpacking. Each element of the returned sequence is a tuple (name, extensions, description) """

    formats = [(name, info[0], info[3]) for name, info in
               _UNPACK_FORMATS.items()]
    formats.sort()
    return formats