Merge pull request #5 from virtual-labs/testing

Testing

Author: sheetalsingh08

experiment/posttest.json

@@ -8,14 +8,14 @@
 	},
 	"correctAnswer": "a"
 }, {
-	"question": "What is the output when following code is executed?<br>str1='virtualpythonla'",
+	"question": "what will be output of following code ? str1='helloworld'<br> str1[::-1]",
 	"answers": {
-		"a": " pylab",
-		"b": "lautriv",
-		"c": "lurv",
-		"d": "pati"
+		"a": "dlrowolleh",
+		"b": "hello",
+		"c": "world",
+		"d": "helloworld"
 	},
-	"correctAnswer": "c"
+	"correctAnswer": "a"
 }, {
 	"question": "What is the output of following Python program?<br>text='Python is high-level programming language'words=text.split()l=len(words)print('Number of words of the text:%d'% l)",
 	"answers": {

experiment/pretest.json

@@ -24,7 +24,7 @@
 		"c": "-",
 		"d": "All of the mentioned"
 	},
-	"correctAnswer": "a"
+	"correctAnswer": "c"
 }, {
 	"question": "What is the output of 'virtual'+1+2+'python'?",
 	"answers": {