CBSE Class 12 Sample Paper for 2023 Boards

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Computer Science - Class 12
Solutions to CBSE Sample Paper - Computer Science Class 12

Question 29 - CBSE Class 12 Sample Paper for 2023 Boards - Solutions to CBSE Sample Paper - Computer Science Class 12

Last updated at July 18, 2026 by

Write a function INDEX_LIST(L), where L is the list of elements passed as argument to the function. The function returns another list named ‘indexList’ that stores the indices of all Non-Zero Elements of L.

For example:

If L contains [12,4,0,11,0,56]

The indexList will have - [0,1,3,5]

 

Answer:

def INDEX_LIST (L):

    indexList=[ ]

    for i in range(len(L)):

        if L[i]!= 0 :

            indexList.append(i)

    return

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