Added a few examples of creating and using functions

Functions.py

@@ -0,0 +1,23 @@
+#This is a simple function that uses functions to print text into the terminal
+
+#This function prints a message
+def printText1():
+	print("This is printed in the first function")
+
+#This function returns a string
+def printText2():
+	return "This is returned from the second function"
+
+#This function sums two numbers and returns the value
+def mySum(num1, num2):
+	num = num1 + num2
+	return num
+
+#This is the main body of the program
+#eval(intput()) returns an integer
+num1 = eval(input("Enter the first number to be summed: "))
+num2 = eval(input("Enter the second number to be summed: "))
+printText1()
+print(printText2())
+#str(int) turns an integer to a string
+print("This number is returned from the third function " + str(mySum(num1, num2)))