Use an expression to assign a variable value

  - 
  
 get_message 
 : 
  
 assign 
 : 
  
 - 
  
 name 
 : 
  
 "Harsha" 
  
 - 
  
 last_name 
 : 
  
 "Kapoor" 
  
 - 
  
 full_name 
 : 
  
 ${name+" "+last_name} 
  
 - 
  
 temperature_C 
 : 
  
 27 
  
 - 
  
 temperature_F 
 : 
  
 ${temperature_C * 9/5 + 32} 
  
 - 
  
 temperature_msg 
 : 
  
 ${"Current temperature is "+string(temperature_F)+" F"} 
 - 
  
 return_value 
 : 
  
 return 
 : 
  
 ${temperature_msg}