--- a/question_bank.xml	Wed Apr 21 19:52:51 2010 +0530
+++ b/question_bank.xml	Wed Apr 21 21:53:33 2010 +0530
@@ -6,7 +6,7 @@
 How will you set the x and y axis limits so that the region of interest is in the rectangle (0, -1.5) and (2\pi, 1.5)?
 </description>
 <time_limit>
-30
+90
 </time_limit>
 <expected_answer>
 xlim \( 0 , 2 \* pi \) [;,\n+] ylim \( -1.5 , 1.5\)
@@ -35,7 +35,8 @@
 30
 </time_limit>
 <expected_answer>
-(line\.split \( ([",']) , \2 \))
+line\.split \( \" , \" \)
+line\.split \( \' , \' \)
 </expected_answer>
 </question>
 
@@ -47,7 +48,7 @@
 30
 </time_limit>
 <expected_answer>
-len \( a \) 
+len \( a \)
 </expected_answer>
 </question>