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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 deprecated(function, instead):
 """Mark a function deprecated so calling it issues a warning"""


    # skip for classes, breaks doc generation
    if not isinstance(function, types.FunctionType):
        return function

    @wraps(function)
    def wrap(*args, **kwargs):
        warnings.warn("Deprecated, use %s instead" % instead,
                      PyGIDeprecationWarning)
        return function(*args, **kwargs)

    return wrap