Ruby is case-sensitive
numOfCoins = 6 NumOfCoins = 10 print "NumOfCoins: ", NumOfCoins, "\n" print "numOfCoins: ", numOfCoins, "\n" numOfCoins = numOfCoins + 1 numOfCoins += 1 print "After two increments, numOfCoins is ", numOfCoins, "\n" NumOfCoins = 24 print "After reassignment, NumOfCoins is ", NumOfCoins, "\n"