def dict_to_one(dp_dict):
return {x: <NUM_LIT:1> for x in dp_dict}<EOL>
Input a dictionary, return a dictionary that all items are set to one.

    Used for disable dropout, dropconnect layer and so on.

    Parameters
    ----------
    dp_dict : dictionary
        The dictionary contains key and number, e.g. keeping probabilities.

    Examples
    --------
    >>> dp_dict = dict_to_one( network.all_drop )
    >>> dp_dict = dict_to_one( network.all_drop )
    >>> feed_dict.update(dp_dict)