decorator2 - 7 oct 2024

def timed(fn):
    from time import perf_counter
    from functools import wraps

    @wraps(fn)
    def inner(*args, **kwargs):
        start = perf_counter()
        result = fn(*args, **kwargs)  # Corrected from *aargs
        end = perf_counter()
        elapsed = end - start
        
        args_str = [str(a) for a in args]  # Renamed to args_str
        kwargs_str = ['{0}={1}'.format(k, v) for k, v in kwargs.items()]  # Fixed formatting
        all_args = args_str + kwargs_str
        
        # Corrected print statement
        print('{0}({1}) took {2:.6f}s to run.'.format(fn.__name__, ', '.join(all_args), elapsed))
        
        return result
    
    return inner


def calc_recursive_fib(n):
    if n <= 2:
        return 1
    else:
        return calc_recursive_fib(n-1) + calc_recursive_fib(n-2)

# Test the function
# print(calc_recursive_fib(4))

@timed #timed only change the charateritics of function fib_recursed, but not calc_recursive_fib
def fib_recursed(n):
    return calc_recursive_fib(n)

fib_recursed(4)

#we don't want to change the function calc_recursive_fib, so use fib_recursed as a sieve