The association between a variable and its value.
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<h2><font color="black"><a name="htoc115">8.16</a>&nbsp;&nbsp;Exercises</font></h2><br />
<div align="left"><font color="black"><b>Exercise&nbsp;4</b>&nbsp;&nbsp;<em>
Download a copy of the file from 
<tt>www.py4inf.com/code/romeo.txt</tt>
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Write a program to open the file <tt>romeo.txt</tt> and read it
line by line. For each line, split the line into a l