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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 ensure_timestamp(func, argname, arg):
 """Argument preprocessor that converts the input into a pandas Timestamp object. Examples -------- Timestamp('2014-01-01 00:00:00') """

    try:
        return pd.Timestamp(arg)
    except ValueError as e:
        raise TypeError(
            "{func}() couldn't convert argument "
            "{argname}={arg!r} to a pandas Timestamp.\n"
            "Original error was: {t}: {e}".format(
                func=_qualified_name(func),
                argname=argname,
                arg=arg,
                t=_qualified_name(type(e)),
                e=e,
            ),
        )