"""foriinrange(11,20):# 输出0开始不包含10m_list.append(i)print('for m_list中的所有元素{}'.format(m_list))# 2.datetime datetime 处理时间的标准函数库importdatetime1.datetime.now() 获取当前日期和时间2.字符->datetime Strftime() 按照格式2017-01-30正确输出 Datetime.datetime.strftime(datetime....
从Excel文件(见Sheet3)中读取日期数据后,为了匹配日期要把日其中的时间等零碎(见执行结果的data)去掉。采用已经介绍的方法操作时,发现读取的数据是datetime64的,此数据类型不适用date方法。因此,需要先把数据转换datetime类型。转换时可以用for语句操作,但要介绍的是采用map函数进行处理。 Sheet3: import datetime impor...
Example 1: datetime to string using strftime() The program below converts a datetime object containing current date and time to different string formats. from datetime import datetime now = datetime.now() # current date and time year = now.strftime("%Y") print("year:", year) month = now...
df = pd.DataFrame(np.random.randn(6,4),index = dates,columns=list('ABCD')) df 1. 2. 3. 4. 5. #获取行索引标签 df.index DatetimeIndex(['2020-06-15', '2020-06-16', '2020-06-17', '2020-06-18', '2020-06-19', '2020-06-20'], dtype='datetime64[ns]', freq='D') 1. ...
dateutil - Extensions to the standard Python datetime module. pendulum - Python datetimes made easy. pytz - World timezone definitions, modern and historical. Brings the tz database into Python. Debugging Tools Libraries for debugging code. pdb-like Debugger ipdb - IPython-enabled pdb. pudb -...
time_list=list(time.localtime())time_list[2]=4time.struct_time(time_list) 时间休眠 当前程序休眠n秒 代码语言:javascript 代码运行次数:0 运行 AI代码解释 time.sleep(3) 时间模块datetime 封装了time, 提供了更高级和更友好的接口 查看时间
dateutil - powerful extensions to datetime The dateutil module provides powerful extensions to the standard datetime module, available in Python. Installation dateutil can be installed from PyPI using pip (note that the package name is different from the importable name): ...
from datetimeimportdatetimeimportmatplotlib.pylabasplt 代码语言:javascript 代码运行次数:0 运行 AI代码解释 # 读取数据,pd.read_csv默认生成DataFrame对象,需将其转换成Series对象 df=pd.read_csv('AirPassengers.csv',encoding='utf-8',index_col='date')df.index=pd.to_datetime(df.index)# 将字符串索引转...
1、syncPlaylist:在网易云音乐与 QQ 音乐之间同步歌单。易于使用、配置方便、代码简单,用到的技术:requests + beautifulsoup 以及selenium + phantomjs 2、GetSubtitles:通过拖曳视频文件进终端,一步下载字幕 到视频对应文件夹,并重命名字幕名称为视频名称。Ubuntu 16.04、Windows 10上测试通过,同时兼容 Python2、3。Pyth...
As you can see,dateparserworks with different date formats, but it can also be used directly with strings in different languages: >>> dateparser.parse('Martes 21 de Octubre de 2014') # Spanish (Tuesday 21 October 2014) datetime.datetime(2014, 10, 21, 0, 0) >>> dateparser.parse('Le...