Question

Delete Element from (array for java/ list for Python) at the position given by the user.

Enter size of array
5
Enter numbers in array
1:10
2:20
3:30
4:40
5:50
Elements given in Array:
10 20 30 40 50
Enter Position to be deleted:
3
array after deleting element in given position
10 20 40 50

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Code

Java

Python

Java

import java.util.Scanner;
public class DeleteElementFromGivenPositionArray
{
    public static void main(String[] args)
    {
        /* Initialize array */
        int [] arr;

        int sizeOfArray=0,i=0,positionToBeDeleted=0;
        Scanner sc = new Scanner(System.in);

        System.out.println("Enter size of array");
        sizeOfArray = sc.nextInt();
        arr=new int[sizeOfArray];
        System.out.println("Enter numbers in array");

        for(i=0;i< sizeOfArray;i++)
        {
            System.out.print((i+1)+":");
            arr[i]=sc.nextInt();
        }
        System.out.println("Elements given in Array:");
        for(i=0;i< sizeOfArray;i++)
        {
            System.out.print(arr[i]+" ");
        }
        System.out.println();

        System.out.println("Enter Position to be deleted:");
        positionToBeDeleted=sc.nextInt();
        //We are Assuming that position given by user will start from 1
        //but as indexing in array starts from zero so thats why we are
        //Decreasing the value of positionToBeDeleted by 1
        positionToBeDeleted=positionToBeDeleted-1;
        if(positionToBeDeleted<0 ||positionToBeDeleted>=sizeOfArray)
        {
            System.out.println("Invalid position Entered");
        }
        else
        {
            for(i=positionToBeDeleted;i< sizeOfArray-1;i++)
            {
                arr[i]=arr[i+1];

            }
            sizeOfArray=sizeOfArray-1;

            System.out.println("array after deleting element in given position");
            for(i=0;i< sizeOfArray;i++)
            {
                System.out.print(arr[i]+" ");
            }
        }

    }
}

Python

size=int(input("Enter the size of List:"))
li=[]
print("Enter Elements in list:")
for i in range(0,size):
    print((i+1),end=": ")
    li.append(int(input()))

#Print Given Elements
print("Elements in given List:")
print(li)

positionToBeDeleted=int(input("Enter the position to be Deleted:"))
"""
We are Assuming that position given by user will start from 1
but as indexing in list starts from zero so that is why we are
Decreasing the value of positionToBeDeleted by 1
"""
positionToBeDeleted=positionToBeDeleted-1
if(positionToBeDeleted<0 or positionToBeDeleted>=size):
    print("Invalid position Entered")

else:
    li.pop(positionToBeDeleted)
    print("List after deleting element:")
    print(li)