def computeNewBalance(balance,rate):
	newBalance=balance+(balance*rate)
	return newBalance


bal = input("Please enter balance");
rate = input("please enter rate as a decimal");

yearOneBalance = computeNewBalance(bal,rate)
print 'after year one', yearOneBalance
yearTwoBalance = computeNewBalance(yearOneBalance,rate)
print 'after year two', yearTwoBalance