x = object() y = object() xList = [] yList = [] #bigList = xList + yList #Create the X list xList.append(1) xList.append(2) xList.append(3) xList.append(4) xList.append(5) xList.append(6) xList.append(7) xList.append(8) xList.append(9) xList.append(10) #Create the Ylist yList.append(10) yList.append(9) yList.append(8) yList.append(7) yList.append(6) yList.append(5) yList.append(4) yList.append(3) yList.append(2) yList.append(1) bigList = (xList + yList) * 10 print (xList, "\n", yList) print ("The Big list follows : ", bigList) print ("\n", "The X list contains : ", len(xList)) print ("The Y list contains : ", len(yList)) print ("The bigList is : ", len(bigList))