"2021年Python面试题总结及线程池原理与合并字典技巧"

The 2021 Python Interview Questions Summary.pdf provides a comprehensive overview of the key interview questions and topics for Python developers. It covers a wide range of topics including Python thread pool principles, dictionary merging, and similar key value addition. One of the important concepts discussed is the Python thread pool, which is a storage for multiple thread units and has a corresponding task queue for synchronization. The thread pool efficiently utilizes limited threads to complete tasks in the queue, eliminating the need to create a new thread for each task. This approach reduces system resource overhead and improves task execution efficiency. Another important topic covered in the document is the merging of dictionaries in Python and how to add similar key values. The usage of the collections.Counter class is highlighted for easy dictionary merging and key value addition. The example provided demonstrates how to merge dictionaries and add similar key values using the Counter class, providing an efficient and convenient solution for developers. Overall, the 2021 Python Interview Questions Summary.pdf is a valuable resource for Python developers preparing for interviews. It provides in-depth explanations of important concepts and practical examples for reference. Whether it is understanding the principles of Python thread pools or learning how to merge dictionaries and add similar key values, this summary offers comprehensive insights into key interview topics for Python developers. It is a must-read for anyone seeking to excel in Python interviews and enhance their proficiency in the language.