Update lt_selenium_playground.robot

Author: prateekLambda

Tests/lt_selenium_playground.robot

@@ -22,7 +22,7 @@ Demonstration of Robot framework on Selenium Playground
 	Sleep   5
 
 	# Email
-	${email}   Set Variable    //input[@name='email']
+	${email}   Set Variable    inputEmail4
 	Input text  ${email}       [email protected]
 
     # Password
@@ -63,4 +63,4 @@ Demonstration of Robot framework on Selenium Playground
 
 	# Zip Code
 	${address1}  Set Variable    css=#inputZip
-	Input text  ${address1}      94088
+	Input text  ${address1}      94088