<commit_before><commit_msg>Add REPL text<commit_after>
{{alias}}( obj, keys )
    Returns a partial object copy containing only specified keys. If a key does
    not exist as an own property in a source object, the key is ignored.

    Parameters
    ----------
    obj: Object
        Source object.

    keys: string|StringArray
        Keys to copy.

    Returns
    -------
    picked: Object
        New object.

    Examples
    --------
    > var obj1 = {
    >     'a': 1,
    >     'b': 2
    > };
    > var obj2 = {{alias}}( obj1, 'b' )
    { 'b': 2 }
{'fraction_non_alphanumeric': 0.1408199643493761, 'fraction_numerical': 0.0106951871657754, 'mean_word_length': 1.650943396226415, 'pattern_counts': {'":': 0, '<': 3, '<?xml version=': 0, '>': 8, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '1454351', 'n_tokens_mistral': 175, 'n_tokens_neox': 167, 'n_words': 62}