Astringis a Python data type that’s used to represent a piece of text. It’s written between quotes, either double quotes or single quotes and can be as short as zero characters, or empty string, or as long as
fromnetmikoimportConnectHandlersw1={'device_type':'cisco_ios','ip':'192.168.2.11','username':'python','password':'123'}commands=['interface gi0/1','description Nornir2.py']withConnectHandler(**sw1)asconnect:print("已经成功登陆交换机"+sw1['ip'])output=connect.send_command('show interfac...
as attachment: part = MIMEBase('application', 'octet-stream') part.set_payload(attachment.read()) encoders.encode_base64(part) part.add_header('Content-Disposition', f"attachment; filename= {file_path}") message.attach(part) server.sendmail(sender_email, recipient_email, message.as_string(...
string.hexdigits string.octdigits string.punctuation string.printable string.whitespace 2. 自定义字符串格式 2.1 class string.Formatter 3. 格式字符串语法 field_name conversion format_spec 3.1 格式规范Mini-Language 3.1.1 定义 3.1.2 各选项的含义 align sign # 选项 , 选项 _ 选项 width precision typ...
Python program to get a single value as a string from pandas dataframe # Importing pandas packageimportpandasaspd# Importing numpy packageimportnumpyasnp# Creating a dictionaryd={'a':['Funny','Boring'],'b':['Good','Bad']}# Creating a DataFramedf=pd.DataFrame(d)# Display Original df...
>>> str='string learn' >>> dir(str) ['__add__', '__class__', '__contains__', '__delattr__', '__doc__', '__eq__', '__format__', '__ge__', '__getattribute__', '__getitem__', '__getnewargs__', '__getslice__', '__gt__', '__hash__', '__init__...
They don't carry any built-in metadata about their names. That's why there is no direct built-in method to get the variable name as a string. However, we can achieve this, by inspecting the environment such as using the globals(), locals(), or the inspect module. Let's dive into ...
python >>> a, b = "Karene","pitaya" >>> a, b = (b, a) >>> a 'pitaya' >>> b 'Karene' >>> type((b, a)) <class 'tuple'> 循环遍历(可迭代对象) python >>> for i, j in ((1,2),(3,4),(5,6)): print(i+j) 3,7,11,创建...
importnumpyasnpobj=np.array([[1,2,3],[4,5,6]])obj 输出：array([[1, 2, 3], [4...
def get_weather(city):url = f'http://wthrcdn.etouch.cn/weather_mini?city={city}' response = requests.get(url).json() results = response['data']['forecast'][0] return f'{city}今天的天气情况为{results["type"]},{results["high"][:-1]}度,{results["low"][:-1]}度' 至此,代码部...