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This article mainly introduces the relevant knowledge of "what are the three active termination programs in Python". The editor shows you the operation process through actual cases. The operation method is simple, fast and practical. I hope this article "what are the three active termination programs in Python" can help you solve the problem.

1. Sys.exit ()

Executing this statement will directly exit the program, which is also a frequently used method, and there is no need to consider the influence of factors such as platform. It is generally the preferred method to exit Python programs.

This method contains a parameter status, which defaults to 0, indicating normal exit, or 1, indicating abnormal exit.

2. Os._exit ()

The effect is to exit directly, and no exception will be thrown, but its use will be limited by the platform, but our commonly used Win32 platform and UNIX-based platform will not be affected.

3. Os.kill ()

It is generally used to Kill the process directly, but it is only valid on the UNIX platform.

Basic principle: this function simulates the traditional UNIX function to send signals to the process.

It contains two parameters: one is the process name, which is the process to receive the signal, and the other is the operation to be performed.

What are the main application areas of python? 1. Cloud computing, typical application OpenStack.

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

3. Artificial intelligence applications, which are based on big data's analysis and deep learning, have essentially been unable to leave python.

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

5. Financial management analysis, quantitative transaction, financial analysis. 6. Big data's analysis.

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