Updated at_cache (markdown)

at_cache.md

@@ -4,15 +4,4 @@ The @cache decorator can be import with.
 ```python
 from functools import cache
 
-@cache
-def some_loop_function(iterations = 1000):
-  mod25 = []
-  for i in range(iterations):
-    if i%25:
-      mod25.append(i)
-  return mod25
-
-if __name__ == "__main__":
-  some_loop_function()
-  some_loop_function(1200)
 ```