Python decorator to print function arguments

print_args.py

from functools import wraps

def print_args():
    def decorator(func):
        @wraps(func)
        def func_wrapper(*args, **kwargs):
            print('args: [%r], kwargs: [%r]' % (args, kwargs))
            return func(*args, **kwargs)
        return func_wrapper
    return decorator


@print_args()
def foo(parm1, parm2, parm3='third'):
    pass

foo('first', parm2='second')