for loop (1/5)
Often we don't need to iterate until something happens - we want to iterate over some set of elements, or something like that.
To construct loop iterating over elements use for
loop:
12for var in smth_iterable: do_smth
Common practice is using range()
as an iterable object we will use in the loop.
range(n)
function with 1 positive argument generates a numbers from 0 to n (exclusive, i.e. to n-1).
range(m,n)
function generates number from m
to n
exclusive in case if both are positive and m < n.
For example, we can rewrite the example from section 5.1 using for loop (in that exercise we printed numbers from 1 to 9)
123# using for loop to print numbers from 1 to 9 for i in range(1,10): print(i)
Please note, that unlike while loop, variable i
inside for
loop shouldn't be defined before. It's like a dummy variable.
Swipe to start coding
Using for
loop print all the numbers from 10 to 20 squared.
Solução
Obrigado pelo seu feedback!
single
Pergunte à IA
Pergunte à IA
Pergunte o que quiser ou experimente uma das perguntas sugeridas para iniciar nosso bate-papo
Awesome!
Completion rate improved to 2.33Awesome!
Completion rate improved to 2.33
for loop (1/5)
Often we don't need to iterate until something happens - we want to iterate over some set of elements, or something like that.
To construct loop iterating over elements use for
loop:
12for var in smth_iterable: do_smth
Common practice is using range()
as an iterable object we will use in the loop.
range(n)
function with 1 positive argument generates a numbers from 0 to n (exclusive, i.e. to n-1).
range(m,n)
function generates number from m
to n
exclusive in case if both are positive and m < n.
For example, we can rewrite the example from section 5.1 using for loop (in that exercise we printed numbers from 1 to 9)
123# using for loop to print numbers from 1 to 9 for i in range(1,10): print(i)
Please note, that unlike while loop, variable i
inside for
loop shouldn't be defined before. It's like a dummy variable.
Swipe to start coding
Using for
loop print all the numbers from 10 to 20 squared.
Solução
Obrigado pelo seu feedback!
single
Awesome!
Completion rate improved to 2.33
for loop (1/5)
Deslize para mostrar o menu
Often we don't need to iterate until something happens - we want to iterate over some set of elements, or something like that.
To construct loop iterating over elements use for
loop:
12for var in smth_iterable: do_smth
Common practice is using range()
as an iterable object we will use in the loop.
range(n)
function with 1 positive argument generates a numbers from 0 to n (exclusive, i.e. to n-1).
range(m,n)
function generates number from m
to n
exclusive in case if both are positive and m < n.
For example, we can rewrite the example from section 5.1 using for loop (in that exercise we printed numbers from 1 to 9)
123# using for loop to print numbers from 1 to 9 for i in range(1,10): print(i)
Please note, that unlike while loop, variable i
inside for
loop shouldn't be defined before. It's like a dummy variable.
Swipe to start coding
Using for
loop print all the numbers from 10 to 20 squared.
Solução
Obrigado pelo seu feedback!