Python program to remove elements at Indices in List

PythonServer Side ProgrammingProgramming

When it is required to remove the elements at indices in a list, the ‘enumerate’ attribute, the ‘not in’ operator, a simple iteration and the ‘append’ methods are used.

Example

Below is a demonstration of the same −

my_list = [91, 75, 15, 45, 69, 78, 23, 71, 36, 72]

print("The list is : " )
print(my_list)

print("The list after sorting is : " )
my_list.sort()
print(my_list)

index_list = [2, 4, 5, 7]
print("The index values stored in the list are :")
print(index_list)

my_result = []
for index, element in enumerate(my_list):
   if index not in index_list:
      my_result.append(element)

print("The resultant list is : ")
print(my_result)

print("The list after sorting is : " )
my_result.sort()
print(my_result)

Output

The list is :
[91, 75, 15, 45, 69, 78, 23, 71, 36, 72]
The list after sorting is :
[15, 23, 36, 45, 69, 71, 72, 75, 78, 91]
The index values stored in the list are :
[2, 4, 5, 7]
The resultant list is :
[15, 23, 45, 72, 78, 91]
The list after sorting is :
[15, 23, 45, 72, 78, 91]

Explanation

  • A list is defined and is displayed on the console.

  • It is sorted and is displayed on the console.

  • The index values are stored in a list.

  • They are also displayed on the console.

  • An empty list is created.

  • The list is iterated over, and an ‘if’ condition is placed.

  • This checks to see if the index is not present in the index value list.

  • If not, the element is append to the empty list.

  • This is displayed as the output on the console.

  • The list is sorted again and displayed on the console.

raja
Published on 13-Sep-2021 11:24:11
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