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Python Loops Tutorial

Nested while Loop

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:


              1234567891011
            
# 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('')

How does the code work?

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

Examine the code below:


              1234567891011121314
            
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('')

How does the code work?

Tarefa

Increment every element in the matrix by 1.

Configure the outer while loop to iterate through each row in the matrix.
Configure the inner while loop to iterate through each element in the row of the matrix.
Add 1 to every element.
Display each updated element.

Tarefa

Increment every element in the matrix by 1.

Configure the outer while loop to iterate through each row in the matrix.
Configure the inner while loop to iterate through each element in the row of the matrix.
Add 1 to every element.
Display each updated element.

Mude para o desktop para praticar no mundo realContinue de onde você está usando uma das opções abaixo

Tudo estava claro?

Seção 3. Capítulo 3

Nested while Loop

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:


              1234567891011
            
# 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('')

How does the code work?

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

Examine the code below:


              1234567891011121314
            
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('')

How does the code work?

Tarefa

Increment every element in the matrix by 1.

Configure the outer while loop to iterate through each row in the matrix.
Configure the inner while loop to iterate through each element in the row of the matrix.
Add 1 to every element.
Display each updated element.

Tarefa

Increment every element in the matrix by 1.

Configure the outer while loop to iterate through each row in the matrix.
Configure the inner while loop to iterate through each element in the row of the matrix.
Add 1 to every element.
Display each updated element.

Mude para o desktop para praticar no mundo realContinue de onde você está usando uma das opções abaixo

Tudo estava claro?

Seção 3. Capítulo 3

Nested while Loop

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:


              1234567891011
            
# 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('')

How does the code work?

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

Examine the code below:


              1234567891011121314
            
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('')

How does the code work?

Tarefa

Increment every element in the matrix by 1.

Configure the outer while loop to iterate through each row in the matrix.
Configure the inner while loop to iterate through each element in the row of the matrix.
Add 1 to every element.
Display each updated element.

Tarefa

Increment every element in the matrix by 1.

Configure the outer while loop to iterate through each row in the matrix.
Configure the inner while loop to iterate through each element in the row of the matrix.
Add 1 to every element.
Display each updated element.

Mude para o desktop para praticar no mundo realContinue de onde você está usando uma das opções abaixo

Tudo estava claro?

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:


              1234567891011
            
# 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('')

How does the code work?

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

Examine the code below:


              1234567891011121314
            
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('')

How does the code work?

Tarefa

Increment every element in the matrix by 1.

Configure the outer while loop to iterate through each row in the matrix.
Configure the inner while loop to iterate through each element in the row of the matrix.
Add 1 to every element.
Display each updated element.

Mude para o desktop para praticar no mundo realContinue de onde você está usando uma das opções abaixo

Seção 3. Capítulo 3

Mude para o desktop para praticar no mundo realContinue de onde você está usando uma das opções abaixo