Generating Numbers with Steps Using For in Python
To output numbers at a certain step, you need to pass a third parameter to the range function.
Example
Let's print numbers from 1 to 9 with a step of 2:
for num in range(1, 10, 2):
print(num)
The result of the executed code:
1
3
5
7
9
Example
If you set the step with a negative number, the numbers will be output in reverse order. Let's swap the values in the first and second parameters of the function for clarity:
for num in range(10, 1, -1):
print(num)
After running the code, the numbers output will be from 10 to 2, since the number in the second parameter is not included in the range:
10
9
8
7
6
5
4
3
2
Practical tasks
Print to the console even numbers from 1 to 100.
Print numbers from -10 to 10 to the console.
Write the code to get the following numbers:
20
17
14
11
8
5
2
