<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def extract_files_from_dict(d):
 """Return any file objects from the provided dict. """

    files = {}
    for key, value in six.iteritems(d):
        if isinstance(value, dict):
            files[key] = extract_files_from_dict(value)
        elif is_file_like(value):
            files[key] = value
    return files