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Lists & loops

Iterate, transform, and combine sequences with readable loop patterns.

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Lists & loops easy

How to Swap Two Indices in a Python List

Swap two elements at given indices in a Python list using simultaneous assignment, then return the modified list.

list swap indexing
Python 
def swap_indices(lst, i, j):
    lst[i], lst[j] = lst[j], lst[i]
    return lst

if __name__ == "__main__":
    my_list = [10, 20, 30, 40, 50]
    print("Original list:", my_list)
    swapped = swap_indices(my_list, 1, 3)
    print("After swapping indices 1 and 3:", swapped)
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