design_patterns_python decorator 1.fib.py 2.fib_function.py 3.fib_func_profile_me.py 4.base_profiled_fib.py 5.class_decorated_profiled_fib.py 6.stacked_fib.py 7.function_decorated_fib.py 8.func_attrs.py 9.class_profiler.py