Add pipenv environment

Pipfile

@@ -0,0 +1,12 @@
+[[source]]
+url = "https://pypi.org/simple"
+verify_ssl = true
+name = "pypi"
+
+[packages]
+
+[dev-packages]
+
+[requires]
+python_version = "3.11"
+python_full_version = "3.11.3"

README.md

@@ -1,3 +1,10 @@
 # defaultpy
 
-Default Python project.
+Default Python project.
+
+Run `pipenv install -dev` to install all packages.
+
+Run `pipenv shell` to get venv shell.
+
+Run `pipenv run pip install <package>` to install a package.
+

main.py

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+from src import hello
+
+
+if __name__ == "__main__":
+    hello()
+

src/__init__.py

@@ -0,0 +1,4 @@
+
+
+def hello():
+    print("Hello, seaman!")