import inspect

def ex_func(func):
    n = eval('{0}()'.format(str(func)))
    log()


def func_1(n):
    """
    Doc of function
    :return:
    """
    # some comments
    return n


def log(string=None):
    print(inspect.getargspec(func_1))

if __name__ == '__main__':
    log()

ArgSpec(args=['n'], varargs=None, keywords=None, defaults=None)