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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

bookThe First while Loop

Let's proceed!

The while loop!

The while statement verifies a condition. The condition should yield a Boolean value, which can be either True or False.

If the condition evaluates to True, the while statement executes the statements contained within its block.

The while statement keeps reevaluating the condition with each iteration and continues to execute its block until the condition becomes False.

Take a look at the code below:


              
1234567

            
# Setting variable to change numbers
i = 0

# Printing numbers from 0 to 9
while i < 10:
  print(i)
  i += 1
copy

How does the code work?

Tarefa

Print numbers from 10 to 0.

  1. Initialize the while loop with the variable i.
  2. Continuously print the numbers while the loop is active.
  3. Decrease i by 1 with each iteration.

Switch to desktopMude para o desktop para praticar no mundo realContinue de onde você está usando uma das opções abaixo
Tudo estava claro?

Como podemos melhorá-lo?

Obrigado pelo seu feedback!

Seção 2. Capítulo 1
toggle bottom row

bookThe First while Loop

Let's proceed!

The while loop!

The while statement verifies a condition. The condition should yield a Boolean value, which can be either True or False.

If the condition evaluates to True, the while statement executes the statements contained within its block.

The while statement keeps reevaluating the condition with each iteration and continues to execute its block until the condition becomes False.

Take a look at the code below:


              
1234567

            
# Setting variable to change numbers
i = 0

# Printing numbers from 0 to 9
while i < 10:
  print(i)
  i += 1
copy

How does the code work?

Tarefa

Print numbers from 10 to 0.

  1. Initialize the while loop with the variable i.
  2. Continuously print the numbers while the loop is active.
  3. Decrease i by 1 with each iteration.

Switch to desktopMude para o desktop para praticar no mundo realContinue de onde você está usando uma das opções abaixo
Tudo estava claro?

Como podemos melhorá-lo?

Obrigado pelo seu feedback!

Seção 2. Capítulo 1
toggle bottom row

bookThe First while Loop

Let's proceed!

The while loop!

The while statement verifies a condition. The condition should yield a Boolean value, which can be either True or False.

If the condition evaluates to True, the while statement executes the statements contained within its block.

The while statement keeps reevaluating the condition with each iteration and continues to execute its block until the condition becomes False.

Take a look at the code below:


              
1234567

            
# Setting variable to change numbers
i = 0

# Printing numbers from 0 to 9
while i < 10:
  print(i)
  i += 1
copy

How does the code work?

Tarefa

Print numbers from 10 to 0.

  1. Initialize the while loop with the variable i.
  2. Continuously print the numbers while the loop is active.
  3. Decrease i by 1 with each iteration.

Switch to desktopMude para o desktop para praticar no mundo realContinue de onde você está usando uma das opções abaixo
Tudo estava claro?

Como podemos melhorá-lo?

Obrigado pelo seu feedback!

Let's proceed!

The while loop!

The while statement verifies a condition. The condition should yield a Boolean value, which can be either True or False.

If the condition evaluates to True, the while statement executes the statements contained within its block.

The while statement keeps reevaluating the condition with each iteration and continues to execute its block until the condition becomes False.

Take a look at the code below:


              
1234567

            
# Setting variable to change numbers
i = 0

# Printing numbers from 0 to 9
while i < 10:
  print(i)
  i += 1
copy

How does the code work?

Tarefa

Print numbers from 10 to 0.

  1. Initialize the while loop with the variable i.
  2. Continuously print the numbers while the loop is active.
  3. Decrease i by 1 with each iteration.

Switch to desktopMude para o desktop para praticar no mundo realContinue de onde você está usando uma das opções abaixo
Seção 2. Capítulo 1
Switch to desktopMude para o desktop para praticar no mundo realContinue de onde você está usando uma das opções abaixo
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