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Python getopt

Python Command Line Arguments Examples

I am a new Python programming user. I am working on user-friendly command-line interfaces, and I want to pass input via the shell args as follows:

./myscript.py filename
./myscript.py in.file output.file
./myscript.py -i in.file -o output.file

How do I pass and parse command-line options and arguments using Python under Linux or Unix-like operating systems?
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