1. Remove Set Element if Exists Theset.remove()method of Python will remove a particular element from the set. This method takes the single element you wanted to remove from the set as an argument, if the speci
Usage:pipenv[OPTIONS]COMMAND[ARGS]...Options:--where Output project home information.--venv Output virtualenv information.--py Output Python interpreter information.--envs Output Environment Variable options.--rm Remove the virtualenv.--bare Minimal output.--man Display manpage.--support Output diag...
exception=record.exc_info)logger_opt.log(record.levelname,record.getMessage())defconfigure_logging(flask_app:Flask):"""配置日志"""path=Path(flask_app.config['LOG_PATH'])ifnot path.exists():path.mkdir(parents=True)log_name=Path(
If python function default input is mutable, calling the function will change on top of. defmutable_parameter(lst=[]):iflstisNone:lst=[]lst.append(1)returnlstprint(mutable_parameter())print(mutable_parameter())[1][1]use'lst=None'instead! Modifying while iterating First make sure modifying ...
()defopen_ip_record_file(self):self.f=open('reachable_ip.txt','a')defcheck_ping_result(self):ifself.ping_result==0:self.f.write(self.ip+"\n")defremove_last_reachable_ip_file_exist(self):ifos.path.exists('reachable_ip.txt'):os.remove('reachable_ip.txt')if__name__=='__main_...
offset是字节偏移量,whence定义了参照点 (0:文件开头, 1:当前位置, 2:文件末尾)。仅二进制模式下whence=1或whence=2的offset必须为0,或者由os.SEEK_CUR,os.SEEK_END传入。文本模式下,offset只能是tell()返回的值,或者0,whence只能是os.SEEK_SET(0)。
区别于discard() def remove(self, *args, **kwargs): # real signature unknown """ Remove an element from a set; it must be a member. If the element is not a member, raise a KeyError. """ pass >>> s1 = {11,22,33,} >>> s1.remove(11) >>> print(s1) {33, 22} >>> s1...
() self.is_need_clear_config = False self.exportcfg = None def set_exportcfg(self, export_value): logging.info('Import configuration file.') if export_value is not None: self.exportcfg = export_value def print_startup_info(self): def get_info_str(info): return str(info) print_...
```# Python script to remove empty folders in a directoryimport osdef remove_empty_folders(directory_path):for root, dirs, files in os.walk(directory_path, topdown=False):for folder in dirs:folder_path = os.path.join(root,...
if__name__ =='__main__': parser = argparse.ArgumentParser( description=__description__, epilog="Developed by {} on {}".format(", ".join(__authors__), __date__) ) parser.add_argument('EVIDENCE_FILE',help="Path to evidence file") ...