Python Made Easy

Nested Loops

A nested loop is a loop inside another loop. This creates a hierarchical structure where the inner loop is nested within the body of the outer loop. Each iteration of the outer loop triggers a complete set of iterations of the inner loop.

matrix = [[1, 2, 3],

         [4, 5, 6],

         [7, 8, 9]]

for row in matrix:

    for element in row:

        print(element, end=’ ‘)

    print()

The outer loop iterates over each row in the matrix (2D list). The inner loop iterates over each element in the current row.