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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_fs(path):
 """Find the file system implementation for this path."""

    scheme = ''
    if '://' in path:
        scheme = path.partition('://')[0]

    for schemes, fs_class in FILE_EXTENSIONS:
        if scheme in schemes:
            return fs_class

    return FileSystem