Shulou(Shulou.com)05/31 Report--

This article mainly explains "what is the role of python exception handling". Interested friends may wish to take a look. The method introduced in this paper is simple, fast and practical. Let's let Xiaobian take you to learn "what is the role of python exception handling"!

1. The parser executes the program and triggers an exception when an error is detected. After the exception is triggered and not handled, the program terminates at the current exception, and the code behind it will not run.

An exception handling mechanism must be provided to enhance the robustness and fault tolerance of your program.

examples

#coding=utf-8try: print('-----test--1---') open ('123.txt ',' r')#IOError exception is raised if the 123.txt file does not exist print('-----test--2---') print(num)#NameError exception except (IOError,NameError): #If you want to catch more than one exception at a time, you can use a tuple print("catch exception")Python main application areas 1, cloud computing, typical application OpenStack.

2, WEB front-end development, many large websites are Python development.

Artificial intelligence applications, artificial intelligence developed based on big data analysis and deep learning, are essentially unable to leave python.

4. System operation and maintenance engineering project, the standard of automatic operation and maintenance is python+Django/flask.

Financial analysis, quantitative trading, financial analysis.

6. Big data analysis.

At this point, I believe that everyone has a deeper understanding of "what is the role of python exception handling". Let's actually operate it! Here is the website, more related content can enter the relevant channels for inquiry, pay attention to us, continue to learn!

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.