In this example, we are using a for loop inside a for loop. Syntax of using a nested for loop in Python # outer for loop In Python, the for loop is used to iterate over a sequence such as a list, string, tuple, other iterable objects such as range. Nested loops are typically used for working with multidimensional data structures, such as printing two-dimensional arrays, iterating a list that contains a nested list.Ī nested loop is a part of a control flow statement that helps you to understand the basics of Python. For each iteration of an outer loop the inner loop re-start and completes its execution before the outer loop can continue to its next iteration. In each iteration of the outer loop inner loop execute all its iteration. In the nested loop, the number of iterations will be equal to the number of iterations in the outer loop multiplied by the iterations in the inner loop. There is no limitation on the chaining of loops. The outer loop can contain more than one inner loop. For example, the outer for loop can contain a while loop and vice versa. ![]() The inner or outer loop can be any type, such as a while loop or for loop. ![]()
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