qq_55227971的博客

aList=eval(input()) Len=len(aList) Num=int(Len/3) Sum=0 for i in range(0,Num): I=i*3+2 Age=int(aList[I]) Sum +=Age Ave=Sum/Num print(“The average age of {:.0f} students is {:.1f}”.format(Num,Ave)) 2. nList=eval(input()) Num=int(input()) x=int(input()) i...

aList=eval(input()) Len=len(aList) Num=int(Len/3) Sum=0 for i in range(0,Num): I=i*3+2 Age=int(aList[I]) Sum +=Age Ave=Sum/Num print(“The average age of {:.0f} students is {:.1f}”.format(Num,Ave)) 2、 nList=eval(input()) Num=int(input()) x=int(input()) i...