[Tutor] I Need Help

[Joaquin Alzola]

>I want the elements of ft to increment by one while I use it to generate the subsequent element. But for some reasons I don't understand, it keeps changing the second element in Ft.

>yt = [1,2,3,4,5,6]

>ft = [yt[0],yt[0]]
>alpha = 0.5
>while len(ft) != len(yt) + 1:

>    ft.append(ft[1] + alpha * (yt[1] - ft[1]))

>    print(ft)
>    ft[1] += 1
>   yt[1] += 1
>print (ft)

Right now your output is:
[1, 1, 1.5]
[1, 2, 1.5, 2.5]
[1, 3, 1.5, 2.5, 3.5]
[1, 4, 1.5, 2.5, 3.5, 4.5]
[1, 5, 1.5, 2.5, 3.5, 4.5, 5.5]
[1, 6, 1.5, 2.5, 3.5, 4.5, 5.5]

What do you want it to be?
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