*variablessection consists of the following formats:
A stand alone variable. Its value is to be set later in the program. Its label is its name.
As above. Its label is defined.
A variable defined by is column positions in the input file. Its label is optional.
A varaible name is a string of alpha (upper and lower case) -numeric characters beginning with an alpha character.
Variables are strings or numbers or both.
A label can be more descriptive than the variable name.
x gt/Grand Total sex//11 race/Race/12 ssn/Social Security Number/41-49 pn/Phone Number/50-59 ac//50-52 ddd//53-55 dddd//56-59 .... (later in program) print name,' can be reached at: 1-(',ac,)-,ddd,-,dddd