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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 set_float_info_npy2d(self, field, data):
 """Set float type property into the DMatrix for numpy 2d array input Parameters field: str The field name of the information data: numpy array The array of data to be set """

        if getattr(data, 'base', None) is not None and \
           data.base is not None and isinstance(data, np.ndarray) \
           and isinstance(data.base, np.ndarray) and (not data.flags.c_contiguous):
            warnings.warn("Use subset (sliced data) of np.ndarray is not recommended " +
                          "because it will generate extra copies and increase memory consumption")
            data = np.array(data, copy=True, dtype=np.float32)
        else:
            data = np.array(data, copy=False, dtype=np.float32)
        c_data = data.ctypes.data_as(ctypes.POINTER(ctypes.c_float))
        _check_call(_LIB.XGDMatrixSetFloatInfo(self.handle,
                                               c_str(field),
                                               c_data,
                                               c_bst_ulong(len(data))))