Intial commit of source code samples for GitHub repo.

python/hello.py

@@ -0,0 +1,81 @@
+#!/usr/bin/env python
+#
+# Sample Hello World! python script...
+#
+
+import subprocess
+import sys
+import os
+
+animals = ["camel", "llama", "owl"]
+fruit_color = { "apple":"red", "banana":"yellow"}
+fruits = fruit_color.keys()
+colors = fruit_color.items()
+verinfo = subprocess.check_output(["git", "describe", "--abbrev=7",
+		"--dirty", "--always", "--tags"])
+
+# Obligatory Hello World with some version info
+print "Hello Python World!  Version: " +verinfo
+
+# Show list of command line arguments
+print "Command line args: ",
+for i in sys.argv[1:]:
+	print " " + i,
+print ""
+
+# Determine number of physical CPU sockets 
+if os.name == 'nt':
+	pass
+else:
+	socketcount = subprocess.check_output(["bash","-c",
+            "(cat /proc/cpuinfo | grep 'physical id' | sort | uniq | wc -l)"])
+	print "CPU socket count: ", socketcount
+
+# print out our animals array in reverse-sorted order
+print "\nValue of animals array:"
+for i in sorted(animals, reverse=True):
+	print "item = " + i
+	if (i == animals[0]):
+		print "   Condition is TRUE, \"" +i+ "\" == " + animals[0] 
+	else:
+		print "   Condition is FALSE, \"" +i+ "\" != " + animals[0] 
+
+# print our fruit_color dictionary (key/value pairs)
+print "\nValue of fruit_color hash:"
+for fruit,color in sorted(fruit_color.items(), reverse=True):
+	print fruit, " = ", color
+
+# Read a non-existent environment variable and supply default value...
+some_env_var = os.getenv("PROBABLY_NOT_THERE", "Default Value")
+print "\nPROBABLY_NOT_THERE is set to '"+some_env_var+"'\n"
+
+# Let's read in the PATH variable from the OS and print it out...
+path_env_var = os.environ['PATH']
+print "OS PATH var is set to: '"+path_env_var+"'\n"
+
+# Let's manipulate PATH variable and then restore it
+print "Adding :/test to PATH variable"
+os.environ['PATH'] = os.environ['PATH'] + ":/test"
+print "OS PATH var is set to: '"+os.environ['PATH']+"'\n"
+print "Restoring original PATH value."
+os.environ['PATH'] = path_env_var
+print "OS PATH var is set to: '"+path_env_var+"'\n"
+
+
+# Let's create the file test.out and write animals array to it...
+print "\nWriting test.out file..."
+file = open("test.out", "w")
+for i in animals:
+	file.write(i+"\n")
+file.close()
+
+# Now open the file we wrote and read it back...
+print "\nContents of test.out file:"
+file = open("test.out", "r")
+linenum = 1
+for line in file:
+	print "line "+str(linenum)+": "+line,
+	linenum += 1
+file.close()
+
+sys.exit(0)