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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_context():
 """Get a mapping of current options."""

    if not local_context._options:
        raise TelluricContextError("TelluricContext context not exists")
    else:
        log.debug("Got a copy of context %r options", local_context._options)
        return local_context._options.copy()