To summarize, the `while` loop statement executes a code block repeatedly as long as a specific condition remains `True`. We opt for a `while` loop when the number of iterations isn't predetermined.

Now, let's delve into employing a `while` loop within another `while` loop.

**Examine the code below:**

# Printing numbers from 0 to 4 for 5 times
i = 0
# Setting outer while loop
while i < 5:
  j = 0
  # Setting inner while loop
  while j < 5:
    print(j, end='')
    j += 1
  i += 1
  print('')

In the previous section, we worked with a matrix. We can achieve the same using a nested `while` loop!

**Examine the code below:**

matrix = [ [1, 2, 4, 29],
           [3, 4, 6, 1] ]

# Printing all elements of the matrix
i = 0
# Setting outer while loop to work with the number of rows
while i < len(matrix):
  j = 0
  # Setting inner while loop to work with the number of elements in the row
  while j < len(matrix[i]):
    print(matrix[i][j], end = ' ')
    j +=1
  i += 1
  print('')

Python provides three ways for executing the loops. While all the ways provide similar basic functionality, they differ in their syntax and condition checking time. Today we start learning these loops. Welcome to Python Loops Tutorial!

We start learning Python loops with the for loop. A for loop is used for iterating over a sequence. Let's go!

With the while loop, we can execute a set of statements as long as a condition is true. We are going to work with this loop and handle different problems!

A nested loop is a loop inside a loop. Sound difficult? Don't worry! We will handle this loop!

Nested while Loop

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Python Loops Tutorial

Nested while Loop

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