How to use the sys.argv module in python

This article mainly explains "how to use the sys.argv module in python". Interested friends may wish to have a look at it. The method introduced in this paper is simple, fast and practical. Let the editor take you to learn how to use the sys.argv module in python.

1. All command-line parameters can be accessed through sys.argv in the module, and the return value is a list of all command-line parameters (list).

2. When Python executes the program, it takes all the values from the command line and stores them in the sys.argv list.

Example

Import sysprint ("name of running script:'{}'" .format (sys.argv [0]) print ("number of parameters of the script:'{}'" .format (len (sys.argv) print ("parameters of the script:'{}'" .format (str (sys.argv) what are the advantages of Python 1. Easy to use, compared with traditional languages such as Candace, Java, C#, etc. Python is not so strict about the code format.

2. Python is open source, everyone can see the source code, and it can be ported to many platforms.

3. Python is object-oriented, which can support both process-oriented programming and object-oriented programming.

4. Python is an interpretive language. Programs written by Python do not need to be compiled into binary code and can be run directly from the source code.

5. Python has powerful functions, has many modules, and can basically achieve all the common functions.

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