class_docstr: List of cached functions 
class_docstr_tok: ["List","of","cached","functions"]
docstr: clear cache content
docstr_tok: ["clear","cache","content"]
code: def clear_cache(self):
      """clear cache content"""
      for item in self:
          myfunc = item
          while hasattr(myfunc, "__wrapped__"):
              if hasattr(myfunc, "cache_clear"):
                  myfunc.cache_clear()
                  break
              else:
                  myfunc = myfunc.__wrapped__
  
file_path: sympy/sympy/core/cache.py
imports: from importlib import import_module
  from typing import Callable
  from functools import lru_cache, wraps
label_desc: Use image node_id 2 for calling the _cache obj's underlying member method code with example usage: obj.clear_cache() without return types