CS 111 - 4/12/18

Prof. Troy's Office Hours for Today (Thursday 4/12/18) will
   be pushed back to run from 2:15 - 3:45.

For loops - typically used when the loop will execute a 
   set number of times.

We can implement while instead of for loops (as we have been
   doing so far in the class).

In Python, the for loop normally is used with the range() function
   call.

The range() function, produces a list of values based on
 the three parameters to the range() function

   range ( initialValue,  stopValue, incrementValue )

To create the values from 0 to 9 inclusive, the following
   range() function could be used:

     range ( 0 , 10 , 1 )

Note that the stopValue is one more that the last value placed
    into the list of values created by the range() functions

There are 2 special forms of the range function:

  #1: when only 2 parameter values are given

       range ( intialValue, stopValue )

      in this form, the incrementValue is assumd to be 1

  #2: when only 1 parameter values are given

       range (  stopValue )

      in this form, the incrementValue is assumed to be 1
         and the intialValue is assumed to be 0


To use the range() function with a for loop, the syntax is
   typically as follows:

      for loopCounterVariable  in  range ( 0, 10, 1 ) :

          # loop body
          print loopCounterVariable


The corresponding while loop for the above for loop would be:

      loopCounterVariable = 0
      while ( loopCounterVariable < 10 ):

          # loop body
          print loopCounterVariable

          loopCounterVariable = loopCounterVariable  + 1



Sound 

   volumne increade/decrease

   fade-in 

   blend tow sounds together ( play at the same time )
      "add" the two sample values together