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Python Loops Tutorial
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Python Loops Tutorial

Python Loops Tutorial

1. The for Loop
The first for LoopRange() in a for Loop 1/2Range() in a for Loop 2/2List & for LoopIf/Else in a for LoopBreak/Continue in a for LoopPass, Else in a for LoopEnumerate() in a for LoopChallenge
2. The while Loop
The First while LoopInfinite LoopList & while LoopIf/Else in a while LoopBreak/Continue in a while LoopPass, Else in a while Loop
3. Nested Loops
First Nested Loop PatternNested for LoopNested while LoopWhile Loop inside a for LoopIf/Else in a Nested LoopBreak/Continue in a Nested LoopChallenge

bookList & for Loop

We can employ various data structures when working with loops. So far, we've covered strings, and now we'll explore working with a list of numbers.

Examine the following code:


              
12345

            
numbers = [2, 3, 4, 5, 6, 7, 8, 11]

# Printing all elements of the list
for i in numbers:
  print(i)
copy

How does the code work?

To work with a decreasing list, you can utilize the reversed() function. This function allows you to reverse the order of elements in a list, effectively turning it into a decreasing list.


              
12345

            
numbers = [2, 3, 4, 5, 6, 7, 8, 11]

# Printing all elements of the reversed list
for i in reversed(numbers):
  print(i)
copy

How does the code work?

Tarea

To sum the elements inside the list, follow these steps:

  1. Configure the for loop to operate on the numbers, utilizing i as an element of the list.
  2. Calculate the sum by adding elements to the counter within the loop.
  3. Print the value of the counter after the loop has completed.

Switch to desktopCambia al escritorio para practicar en el mundo realContinúe desde donde se encuentra utilizando una de las siguientes opciones
¿Todo estuvo claro?

¿Cómo podemos mejorarlo?

¡Gracias por tus comentarios!

Sección 1. Capítulo 4
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bookList & for Loop

We can employ various data structures when working with loops. So far, we've covered strings, and now we'll explore working with a list of numbers.

Examine the following code:


              
12345

            
numbers = [2, 3, 4, 5, 6, 7, 8, 11]

# Printing all elements of the list
for i in numbers:
  print(i)
copy

How does the code work?

To work with a decreasing list, you can utilize the reversed() function. This function allows you to reverse the order of elements in a list, effectively turning it into a decreasing list.


              
12345

            
numbers = [2, 3, 4, 5, 6, 7, 8, 11]

# Printing all elements of the reversed list
for i in reversed(numbers):
  print(i)
copy

How does the code work?

Tarea

To sum the elements inside the list, follow these steps:

  1. Configure the for loop to operate on the numbers, utilizing i as an element of the list.
  2. Calculate the sum by adding elements to the counter within the loop.
  3. Print the value of the counter after the loop has completed.

Switch to desktopCambia al escritorio para practicar en el mundo realContinúe desde donde se encuentra utilizando una de las siguientes opciones
¿Todo estuvo claro?

¿Cómo podemos mejorarlo?

¡Gracias por tus comentarios!

Sección 1. Capítulo 4
toggle bottom row

bookList & for Loop

We can employ various data structures when working with loops. So far, we've covered strings, and now we'll explore working with a list of numbers.

Examine the following code:


              
12345

            
numbers = [2, 3, 4, 5, 6, 7, 8, 11]

# Printing all elements of the list
for i in numbers:
  print(i)
copy

How does the code work?

To work with a decreasing list, you can utilize the reversed() function. This function allows you to reverse the order of elements in a list, effectively turning it into a decreasing list.


              
12345

            
numbers = [2, 3, 4, 5, 6, 7, 8, 11]

# Printing all elements of the reversed list
for i in reversed(numbers):
  print(i)
copy

How does the code work?

Tarea

To sum the elements inside the list, follow these steps:

  1. Configure the for loop to operate on the numbers, utilizing i as an element of the list.
  2. Calculate the sum by adding elements to the counter within the loop.
  3. Print the value of the counter after the loop has completed.

Switch to desktopCambia al escritorio para practicar en el mundo realContinúe desde donde se encuentra utilizando una de las siguientes opciones
¿Todo estuvo claro?

¿Cómo podemos mejorarlo?

¡Gracias por tus comentarios!

We can employ various data structures when working with loops. So far, we've covered strings, and now we'll explore working with a list of numbers.

Examine the following code:


              
12345

            
numbers = [2, 3, 4, 5, 6, 7, 8, 11]

# Printing all elements of the list
for i in numbers:
  print(i)
copy

How does the code work?

To work with a decreasing list, you can utilize the reversed() function. This function allows you to reverse the order of elements in a list, effectively turning it into a decreasing list.


              
12345

            
numbers = [2, 3, 4, 5, 6, 7, 8, 11]

# Printing all elements of the reversed list
for i in reversed(numbers):
  print(i)
copy

How does the code work?

Tarea

To sum the elements inside the list, follow these steps:

  1. Configure the for loop to operate on the numbers, utilizing i as an element of the list.
  2. Calculate the sum by adding elements to the counter within the loop.
  3. Print the value of the counter after the loop has completed.

Switch to desktopCambia al escritorio para practicar en el mundo realContinúe desde donde se encuentra utilizando una de las siguientes opciones
Sección 1. Capítulo 4
Switch to desktopCambia al escritorio para practicar en el mundo realContinúe desde donde se encuentra utilizando una de las siguientes opciones
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