Merge pull request OpenGuide#8 from Lagostra/master

Added SimpleAddition implementation

SimpleAddition/sum_numbers_from_arguments.py

@@ -0,0 +1,23 @@
+'''
+Python 3
+Takes two numbers given as command line arguments, and prints their sum
+'''
+
+# The sys library lets us access command line arguments
+import sys
+
+
+# This line ensures the code will only run if the file is launched as a program - not if it is imported as a module
+if __name__ == '__main__':
+
+	# The sys.argv array contains the command passed to Python.
+	# The first element is the name of the program, while the following elements are command-line arguments.
+	# The float function converts the argument, which is a string, to a decimal number.
+	x = float(sys.argv[1])
+	y = float(sys.argv[2])
+
+	# To get the sum of two numbers, we simply use the + operator
+	sum = x + y
+
+	# Finally, we print our result to the console
+	print(sum)