Write a program to output the signal status based on the signal colour taken as input. SIGNAL COLOR SIGNAL STATUS
RED STOP
YELLOW WAIT
GREEN GO

colour = "YELLOW"

signalMap = {  

 "RED" : "STOP",

 "YELLOW" : "WAIT",  

 "GREEN" : "GO"

}

print(colour + " means " + signalMap[colour])

Explanation:

Since python doesn't have switch statements, this map is a useful alternative.

b. xor is the correct answer