Added the formatting changes to make the phone number follow standard formattings.
Began following along with the Concatenating Screencast.

Outcome did not space properly.
Added a space to create desired outcome as instructed during screencast.
commented out the old code from the beginning of the screencast.

Setup the second example.
Began following along with Assignment Operators Screencast
a + 4 did not store any data

assigned a to equal a+4 to receive desired result.
learned about the different assignment operators.

Reset variable to 3 each time for constancy.
display the ability and use of the +=, -=, *=, /=  operators
Block commented all previous code for viewing purposes.

Learned and displayed how to you increment and decrement operators: ‘++’ and ‘——’