code: def available_compilers() -> List[str]:
      """Load and return a list of available compilers that are
      installed and compatible with the :func:`~.qjit` decorator.
  
      **Example**
  
      This method returns the name of installed compiler packages supported in
      PennyLane. For example, after installing the
      `Catalyst <https://github.com/pennylaneai/catalyst>`__
      compiler, this will now appear as an available compiler:
  
      >>> qml.compiler.available_compilers()
      ['catalyst']
      """
  
      # Reload installed packages and updates
      # the class variable names_entrypoints
      _reload_compilers()
  
      return list(AvailableCompilers.names_entrypoints.keys())
  
file_path: pennylane/pennylane/compiler/compiler.py
imports: from typing import List, Optional
  from sys import version_info
  from importlib import reload, metadata
  from collections import defaultdict
  import dataclasses
  import re
  from semantic_version import Version
label_desc: Use image node_id 4 for calling a global function with example usage: available_compilers() and returns: list