Identifying Changes in the Values of Variables in Problets

• Study the code in the left panel.
  
  
• For each variable and line number listed below:
  
  
  • Enter any changes in its values
    
    
  • For your reference, values of the variable after a previous line may be shown on the left - you cannot modify them.
    
    
  • If you want to start over entering values, click on Restore old values button
    
    
• Your answer may be color-coded.
  If a value that you enter has green background, it is correct.
  If it has red background, it is incorrect.
  
  
• After identifying all the changes in the values of all the variables, click on the Submit Answer button.
  
  
• If there is no change in any of the values of the variables, click on No Changes button.