From your screenshot, your first command has a "cd" in front, and the other has spurious " characters.
To confirm penelope is installed correcty:
1. open a python interpreter command:
PROMPT> python
(or python.exe, I do not remember which one is exported to $PATH)
2. import penelope:
PYTHONPROMPT> import penelope
If no error is raised, then penelope is installed correctly.
3. exit:
PYTHONPROMPT> exit()
=== === ===
To run penelope: try issuing:
PROMPT> penelope
or
PROMPT> python -m penelope
or
PROMPT> python.exe -m penelope
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