pythonCopy codedefread_specific_line(filename,line_number):withopen(filename,'r')asfile:forline_num,lineinenumerate(file,1):ifline_num==line_number:returnline.rstrip()filename='example.txt'line_number=3line_content=read_specific_line(filename,line_number)print(f'第{line_number}行内容:{line...
注意:wb写入时一定要在write后面调用encode()方法将字符串转换为二进制(字节码)写入, 同理rb时如果要输出字符串,则需要贼read后面调用decode()方法将二进制字节码转换为字符串输出,原因是py3中对字节码和字符串进行了严格的区分。 文件读: 1.read()读取文件内容,以字符串形式返回。可传送一个int参数,表示读取多...
(f"Failed to create bucket: {e}") def upload_file(bucket, object_name, data): try: result = bucket.put_object(object_name, data) logging.info(f"File uploaded successfully, status code: {result.status}") except oss2.exceptions.OssError as e: logging.error(f"Failed to upload file: {...
line=file1.readline() #readline()是读取一行 # 这里可以进行逻辑处理 file2.write('"'+line[:]+'"'+",")ifnot line : #如果行读取完成,就直接跳出循环break#记住文件处理完成关闭文件是一个号习惯 file1.close() file2.close() 读文件有3种方法: read()将文本文件所有行读到一个字符串中。 readlin...
You can refer to the extension'sREADMEpage for information on supported Python versions. Initialize configurations A configuration drives VS Code's behavior during a debugging session. Configurations are defined in alaunch.jsonfile that's stored in a.vscodefolder in your workspace. ...
You can also read from common file formats like CSV or Apache Parquet: >>>t=con.read_csv("penguins.csv")>>>t=con.read_parquet("penguins.parquet") This allows you to iterate locally and deploy remotely by changing a single line of code. ...
README Code of conduct BSD-3-Clause license Security Scrapy Overview Scrapy is a BSD-licensed fast high-level web crawling and web scraping framework, used to crawl websites and extract structured data from their pages. It can be used for a wide range of purposes, from data mining to monit...
Understand how to develop, validate, and deploy your Python code projects to Azure Functions using the Python library for Azure Functions.
1.read() 2.getcode():返回http响应码 200:成功 302:临时转义到新的URL 404:页面找不到 500:服务器异常 3.geturl() 1.返回实际数据的URL 6.编码模块(urllib.parse)(编码解析网站:http://tool.chinaz.com/Tools/URLEncode.aspx?qq-pf-to=pcqq.temporaryc2c) ...
strptime # === # Script configuration information start # error code OK = 0 ERR = 1 # Maximum number of device startup retries when there is no query result. GET_STARTUP_INTERVAL = 15 # The unit is second. MAX_TIMES_GET_STARTUP = 120 # Maximum number of retries. # Maximum number ...