How to Load a .py File in the Python Interactive Shell for Debugging?

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SUMMARY

To load a .py file in the Python Interactive Shell for debugging, use the command python -i filename.py. This command executes filename.py and transitions into interactive mode, preserving the environment established by the script. Additionally, incorporating #!/usr/bin/python -i at the beginning of your scripts allows for direct execution in interactive mode, facilitating immediate debugging.

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How can I load a .py file in the python interactive shell for debugging?
 
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If you open the python interpreter by typing:

python -i filename.py

It will execute filename.py and then drop you into interactive mode with the environment left behind by filename.py.

I sometimes build this directly into my scripts, for example by beginning with:

#!/usr/bin/python -i
 

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