First files for example repo

Author: William Lubanovic

README.md

@@ -1,4 +1,27 @@
 introducingpython
 =================
 
-An introduction to Python
+
+This repository contaisn the programs featured in
+"An introduction to Python".
+
+dir     chapter
+---     -------
+intro   1. A taste of Py
+        2. Py ingredients: numbers, strings, and variables
+        3. Py filling: lists, tuples, dictionaries, and sets
+        4. Py crust: code structures
+boxes   5. Py boxes: modules, packages, and programs
+        6. Oh oh: objects and classes
+        7. Mangle data like a pro
+storage 8. Data has to go somewhere
+web     9. The web, untangled
+sys    10. Systems
+net    11. Concurrency and networks
+dev    12. Be a pythonista
+art     A. Py art
+bus     B. Py at work
+        C. Py sci
+        D. Install Python 3
+        E. Answers to exercises
+        F. Cheatsheets

art/matplotlib1.py

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+import matplotlib.pyplot as plot
+import matplotlib.image as image
+
+img = image.imread('oreilly.png')
+plot.imshow(img)
+plot.show()

art/panda1.py

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+from direct.showbase.ShowBase import ShowBase
+
+class MyApp(ShowBase):
+
+    def __init__(self):
+        ShowBase.__init__(self)
+
+        # Load the environment model.
+        self.environ = self.loader.loadModel("models/environment")
+        # Reparent the model to render.
+        self.environ.reparentTo(self.render)
+        # Apply scale and position transforms on the model.
+        self.environ.setScale(0.25, 0.25, 0.25)
+        self.environ.setPos(-8, 42, 0)
+
+app = MyApp()
+app.run()

boxes/report.py

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+def get_description(): # see the docstring below?
+    """Return random weather, just like the pros"""
+    from random import choice
+    possibilities = ['rain', 'snow', 'sleet', 'fog', 'sun', 'who knows']
+    return choice(possibilities)

boxes/report2.py

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+def get_description():
+    import random
+    possibilities = ['rain', 'snow', 'sleet', 'fog', 'sun', 'who knows']
+    return random.choice(possibilities)

boxes/test1.py

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+print("This standalone program works!")

boxes/test2.py

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+import sys
+print('Program arguments:', sys.argv)

boxes/test3.py

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+import report
+
+description = report.get_description()
+print("Today's weather:", description)

boxes/weatherman2.py

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+import report as wr
+description = wr.get_description()
+print("Today's weather:", description)

boxes/weatherman3.py

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+from report import get_description
+description = get_description()
+print("Today's weather:", description)