code: def get_default_dtype():
      """Get backend default float dtype."""
      return _config.DEFAULT_DTYPE
  
file_path: geomstats/geomstats/_backend/_dtype_utils.py
imports: import functools
  import inspect
  import types
  from geomstats._backend import _backend_config
label_desc: Use image node_id 5 for calling a global function with example usage: get_default_dtype() and returns: _config