import inspect

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


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


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

if __name__ == '__main__':
    ex_func('func_1')

(['def func_1():\n', '    """\n', '    Doc of function\n', '    :return:\n', '    """\n', '    # some comments\n', '    pass\n'], 8)