Answering the Python interview questions can be daunting. You may know how to write Python code. You may even know how to create full-scale Python applications, but sometimes the questions can be tricky. To help you prepare for your next Python job interview or just refresh your knowledge of...
In this blog, we will cover some of the most common Pythoninterview questionsyou may encounter during a job interview. We will start by discussing the importance of Python in the tech industry and why it is such a valuable skill to have. We will then cover a range of topics, includingPyt...
Python interview questions and answers: Explore the concepts of concurrency and threading in Python. Learn about threading vs. multiprocessing, synchronization, locks, and asynchronous programming with async/await.
How do you write a unit test using unittest in Python? Use unittest to write a simple unit test for a Python function. What are the main components of a unit test using unittest in Python? Explain the roles of TestCase, setUp(), and tearDown() methods in unit testing. What is a te...
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要考虑的问题有:内存只有4G无法一次性读入10G文件,需要分批读入分批读入数据要记录每次读入数据的位置。分批每次读取数据的大小,太小会在读取操作花费过多时间。https://stackoverflow.com/questions/30294146/python-fastest-way-to-process-large-file 1.2 补充缺失的代码 ...
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http://stackoverflow.com/questions/5082452/python-string-formatting-vs-format Python f-string 是执行字符串格式化的最新Python 语法。自Python 3.6 起可用。 Python f 字符串提供了一种更快,更易读,更简明且不易出错的在Python 中格式化字符串的方式。f 字符串的前缀为f,并使用{}括号评估值。 在冒号后指定...
Data Analyst SQL Interview Questions Image by Author Question #1: Days At Number One (PostgreSQL) “Find the number of days a US track has stayed in the 1st position for both the US and worldwide rankings. Output the track name and the number of days in the 1st position. Order your out...
要考虑的问题有:内存只有4G无法一次性读入10G文件,需要分批读入分批读入数据要记录每次读入数据的位置。分批每次读取数据的大小,太小会在读取操作花费过多时间。 https://stackoverflow.com/questions/30294146/python-fastest-way-to-process-large-file2.补充缺失的代码...