How to use call function in python

This article will explain in detail how to use the call function in python. The editor thinks it is very practical, so I share it for you as a reference. I hope you can get something after reading this article.

Call function

The call function from the subprocess module. Like the Popen class, it has the same parameters, but the call function only waits for the command to finish executing and provides a return code. For example:

Return_code = subprocess.call ("echo Hello World", shell=True) print (return_code) what are the five characteristics of python: 1. It's easy to learn, and when you develop a program, you focus on solving problems, not understanding the language itself. two。 Object-oriented, compared with other major languages such as C++ and Java, Python implements object-oriented programming in a very powerful and simple way. 3. Portability, Python programs can run on a variety of platforms without modification. 4. Explanation, programs written in Python do not need to be compiled into binary code and can be run directly from the source code. 5. Open source, Python is one of FLOSS (Free / Open Source Software).

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