Added class and os alternates

.oh-my-zsh/plugins/python/README.md

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+# python plugin
+
+The plugin adds several aliases for useful [python](https://www.python.org/) commands.
+
+To use it, add `python` to the plugins array of your zshrc file:
+```
+plugins=(... python)
+```
+
+## Aliases
+
+| Command          | Description                                                                     |
+|------------------|---------------------------------------------------------------------------------|
+| `pyfind`         | Finds .py files recursively in the current directory                            |
+| `pyclean [dirs]` | Deletes byte-code and cache files from a list of directories or the current one |
+| `pygrep <text>`  | Looks for `text` in .py files                                                   |

.oh-my-zsh/plugins/python/python.plugin.zsh

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+# Find python file
+alias pyfind='find . -name "*.py"'
+
+# Remove python compiled byte-code and mypy cache in either current directory or in a
+# list of specified directories
+function pyclean() {
+    ZSH_PYCLEAN_PLACES=${*:-'.'}
+    find ${ZSH_PYCLEAN_PLACES} -type f -name "*.py[co]" -delete
+    find ${ZSH_PYCLEAN_PLACES} -type d -name "__pycache__" -delete
+    find ${ZSH_PYCLEAN_PLACES} -type d -name ".mypy_cache" -delete
+}
+
+# Grep among .py files
+alias pygrep='grep --include="*.py"'
+