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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 _source_is_newer(src_fs, src_path, dst_fs, dst_path):
 # type: (FS, Text, FS, Text) -> bool """Determine if source file is newer than destination file. Arguments: src_fs (FS):
 Source filesystem (instance or URL). src_path (str):
 Path to a file on the source filesystem. dst_fs (FS):
 Destination filesystem (instance or URL). dst_path (str):
 Path to a file on the destination filesystem. Returns: bool: `True` if the source file is newer than the destination file or file modification time cannot be determined, `False` otherwise. """

    try:
        if dst_fs.exists(dst_path):
            namespace = ("details", "modified")
            src_modified = src_fs.getinfo(src_path, namespace).modified
            if src_modified is not None:
                dst_modified = dst_fs.getinfo(dst_path, namespace).modified
                return dst_modified is None or src_modified > dst_modified
        return True
    except FSError:  # pragma: no cover
        # todo: should log something here
        return True