On Sat, Aug 4, 2012 at 12:28 PM, Alonzo Quijote
<[email protected]> wrote:
> Is there a way to define a function which takes
> a list (of lists),
> a position specified by a list of integers [i0,i1,...,in], and
> a value
> and returns the result of setting
> list[i0][i1]...[in]=value
>
> The following function works for positions up to length 3 only.
> Is it possible to write a general function that does this?
>
> def setValueAtPosition(list,pos,value):
> if len(pos)==1:
> list[pos[0]]=value
> elif len(pos)==2:
> list[pos[0]][pos[1]]=value
> elif len(pos)==3:
> list[pos[0]][pos[1]][pos[2]]=value
> return list
>
> For example
>>>> aa=[1,2,[3,4]]
>
>>>> setValueAtPosition(aa,[2,0],5)
> [1, 2, [5, 4]]
>
>>>> aa
> [1, 2, [5, 4]]
>
> _______________________________________________
Seems very odd requirement. Anyway here is one way:
---------------
def setValue(NestedList, pos, value):
nl = NestedList
for p in pos[:-1]:
nl = nl[p]
nl[pos[-1]] = value
return NestedList
-------------------------
Asokan Pichai
If a language is designed for non-programmers, soon only
non-programs get written in it. --- Anonymouse
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