my question here:just a trial
#file1.py print("HANDLING LISTS") L = [1.2, 5.6, 7.8] L[1]= 8.9 for x in L:print(x, end=' ') print() # display a blank line for x in L:print(x) x = 'a' y = 'b' print('%s....%s' % (x, y)) print("CONSTRUCTION OF A LIST ELEMENT BY ELEMENT") value=4.5 L=[] L[:0]=[value] for x in L:print(x) value=3.5 L.append(value) value=7.4 L.append(value) value=9.4 L.append(value) L.sort() for x in L:print(x, end=' ') print() print("length of L=", len(L)) print(L) print("AVERAGE OF THE VALUES OF A LIST") L=[3.5, 4.5, 7.4, 9.4] print(L) print("length of L=", len(L)) sum=0 for x in L: sum=sum+x print(sum) print("the sum of the whole is: ", sum) average=sum/len(L) print("The average value of the whole is: ", average) exit()