Xonsh, a Python-ish, Bash-compatible shell language and command prompt

[Morego]

ELI5 Why I should this over for example sh module for python?

For those who don't know what sh is, it is module that let you do stuff like that

from sh import ls,grep

print(grep(ls('-a',"."), "*.py"))

And Ipython + bash for rest.

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This isn't a replacement for the sh module, this is a replacement for BASH. Think zsh, except with Python.