diff --git a/cgi-bin/cgi_1.py b/cgi-bin/cgi_1.py
index baa5c3e..80be548 100644
--- a/cgi-bin/cgi_1.py
+++ b/cgi-bin/cgi_1.py
@@ -1,5 +1,9 @@
 #!/usr/bin/env python
 import cgi
+import cgitb
 
+cgitb.enable()
+
+# 1/0
 
 cgi.test()
diff --git a/cgi-bin/cgi_2.py b/cgi-bin/cgi_2.py
index ae4ed0d..a2f13ec 100644
--- a/cgi-bin/cgi_2.py
+++ b/cgi-bin/cgi_2.py
@@ -1,7 +1,9 @@
 #!/usr/bin/env python
+
 import cgi
 import cgitb
 cgitb.enable()
+
 import os
 import datetime
 
@@ -23,10 +25,10 @@
 </body>
 </html>""".format(
     software=os.environ.get('SERVER_SOFTWARE', default),
-    script='aaaa',
-    month='bbbb',
-    date='cccc',
-    year='dddd',
-    client_ip='eeee'
+    script=os.environ.get('SCRIPT_NAME', default),
+    month=datetime.datetime.now().strftime('%B'),
+    date=datetime.datetime.now().day,
+    year=datetime.datetime.now().year,
+    client_ip=os.environ.get('REMOTE_ADDR', default),
 )
 print(body)
diff --git a/cgi-bin/cgi_sums.py b/cgi-bin/cgi_sums.py
index feed2bc..349d629 100644
--- a/cgi-bin/cgi_sums.py
+++ b/cgi-bin/cgi_sums.py
@@ -1,9 +1,18 @@
 #!/usr/bin/env python
+
 import cgi
 import cgitb
-
 cgitb.enable()
 
+form = cgi.FieldStorage()
+operands = form.getlist('operand')
+
+try:
+    total = sum(map(int, operands))
+    body = "Your total is: {}".format(total)
+except (ValueError, TypeError):
+    body = "Unable to calculate a sum: please provide integer operands"
+
 print("Content-type: text/plain")
 print()
 print("Your job is to make this work")