The First while Loop
The while
loop is used to repeat a block of code as long as a specified condition evaluates to True
. The condition is checked at the beginning of each iteration, and the loop stops when the condition becomes False
.
while condition:
# Code to execute while the condition is True
condition
: a Boolean expression that evaluates to True
or False
.
We will print all destinations from the travel_list
one by one.
123456789travel_list = ['Monako', 'Luxemburg', 'Liverpool', 'Barcelona', 'Munchen'] # Initialize the index i = 0 # Print each destination using a while loop while i < len(travel_list): print(travel_list[i]) i += 1
- The variable
i
starts at0
, which represents the first index of thetravel_list
; - The while loop checks if
i
is less than the length of the list (len(travel_list)
). This ensures the loop doesn't exceed the list bounds; - The loop prints the destination at the current index
travel_list[i]
; - The variable
i
is incremented by1
in each iteration usingi += 1
; - When
i
becomes equal to the length of the list, the condition evaluates toFalse
, and the loop stops.
Swipe to start coding
You are a traveler planning your next adventure. To make things manageable, you decide to visit only half of the countries from a given list.
- Use a while loop to go through the list, selecting only the first half of the destinations.
- Use
//
for integer division to correctly determine the halfway point of the list for thewhile
loop condition. - Store your chosen countries in the
selected
list.
Solution
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The First while Loop
The while
loop is used to repeat a block of code as long as a specified condition evaluates to True
. The condition is checked at the beginning of each iteration, and the loop stops when the condition becomes False
.
while condition:
# Code to execute while the condition is True
condition
: a Boolean expression that evaluates to True
or False
.
We will print all destinations from the travel_list
one by one.
123456789travel_list = ['Monako', 'Luxemburg', 'Liverpool', 'Barcelona', 'Munchen'] # Initialize the index i = 0 # Print each destination using a while loop while i < len(travel_list): print(travel_list[i]) i += 1
- The variable
i
starts at0
, which represents the first index of thetravel_list
; - The while loop checks if
i
is less than the length of the list (len(travel_list)
). This ensures the loop doesn't exceed the list bounds; - The loop prints the destination at the current index
travel_list[i]
; - The variable
i
is incremented by1
in each iteration usingi += 1
; - When
i
becomes equal to the length of the list, the condition evaluates toFalse
, and the loop stops.
Swipe to start coding
You are a traveler planning your next adventure. To make things manageable, you decide to visit only half of the countries from a given list.
- Use a while loop to go through the list, selecting only the first half of the destinations.
- Use
//
for integer division to correctly determine the halfway point of the list for thewhile
loop condition. - Store your chosen countries in the
selected
list.
Solution
Thanks for your feedback!
single
Awesome!
Completion rate improved to 5
The First while Loop
Swipe to show menu
The while
loop is used to repeat a block of code as long as a specified condition evaluates to True
. The condition is checked at the beginning of each iteration, and the loop stops when the condition becomes False
.
while condition:
# Code to execute while the condition is True
condition
: a Boolean expression that evaluates to True
or False
.
We will print all destinations from the travel_list
one by one.
123456789travel_list = ['Monako', 'Luxemburg', 'Liverpool', 'Barcelona', 'Munchen'] # Initialize the index i = 0 # Print each destination using a while loop while i < len(travel_list): print(travel_list[i]) i += 1
- The variable
i
starts at0
, which represents the first index of thetravel_list
; - The while loop checks if
i
is less than the length of the list (len(travel_list)
). This ensures the loop doesn't exceed the list bounds; - The loop prints the destination at the current index
travel_list[i]
; - The variable
i
is incremented by1
in each iteration usingi += 1
; - When
i
becomes equal to the length of the list, the condition evaluates toFalse
, and the loop stops.
Swipe to start coding
You are a traveler planning your next adventure. To make things manageable, you decide to visit only half of the countries from a given list.
- Use a while loop to go through the list, selecting only the first half of the destinations.
- Use
//
for integer division to correctly determine the halfway point of the list for thewhile
loop condition. - Store your chosen countries in the
selected
list.
Solution
Thanks for your feedback!