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<p style="Normal" xid="5"><c props="font-family:Times New Roman; text-decoration:underline; lang:en-US; text-position:normal; font-weight:bold; font-style:normal; font-size:18pt">Scheme Evaluator:</c></p>
<p style="Normal" xid="2"><c props="font-family:Times New Roman; text-decoration:none; lang:en-US; text-position:normal; font-weight:bold; font-style:normal; font-size:18pt">		</c></p>
<p style="Normal" xid="3"><c props="font-family:Times New Roman; text-decoration:none; lang:en-US; text-position:normal; font-weight:bold; font-style:normal; font-size:18pt">		</c><c props="font-family:Times New Roman; font-size:18pt; lang:en-US; text-position:normal; font-weight:normal; font-style:normal; text-decoration:none">Here I implement a minimal evaluator for Scheme in Python.It evaluates all the basic functionalities of Scheme language. It consist of three files </c><c props="font-family:Times New Roman; font-size:18pt; lang:en-US; text-position:normal; font-weight:normal; font-style:italic; text-decoration:none">final.py, to_list.py, opns.py.</c></p>
<p style="Normal" xid="1" props="font-family:Times New Roman; font-size:18pt; lang:en-US; text-position:normal; font-weight:normal; font-style:normal; text-decoration:none"><c props="font-style:italic; font-size:18pt">final.py</c><c props="font-size:18pt"> is the core file of the project.It consist of three methods,</c></p>
<p style="Normal" xid="6" props="font-family:Times New Roman; font-size:18pt; lang:en-US; text-position:normal; font-weight:normal; font-style:normal; text-decoration:none"><c props="font-style:italic; font-size:18pt">converter()</c><c props="font-size:18pt">,</c><c props="font-style:italic; font-size:18pt">evaluator()</c><c props="font-size:18pt">,and </c><c props="font-style:italic; font-size:18pt">check()</c><c props="font-size:18pt">. The </c><c props="font-style:italic; font-size:18pt">evaluator()</c><c props="font-size:18pt"> performs the arithmetic and logic operations.The </c><c props="font-style:italic; font-size:18pt">check()</c><c props="font-size:18pt"> method checks the conditions. </c><c props="font-style:italic; font-size:18pt">to_list.py </c><c props="font-size:18pt">is the file which contains methods which takes the input expression from the user and convert it into corresponding list.</c><c props="font-style:italic; font-size:18pt">final.py</c><c props="font-size:18pt"> takes this list as the argument and evaluate it. </c><c props="font-style:italic; font-size:18pt">opns.py</c><c props="font-size:18pt"> is a file which contains a method, </c><c props="font-style:italic; font-size:18pt">first()</c><c props="font-size:18pt"> </c><c props="font-style:italic; font-size:18pt">.first()</c><c props="font-size:18pt"> returns the first element of the list.</c></p>
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