We also discussed different parameters of range() and how to pass negative value in the step parameter. Using the the range() function in Python, we can set up a range that goes from one value to a certain value, such as 1 to 3, and then have this repeat. It is important to pass the stop parameter in the range() function. This is very useful, since the numbers can be used to index into. We have seen how to use the Python range() in the for loop by considering four different scenarios. The python range() function creates a collection of numbers on the fly, like 0, 1, 2, 3, 4. This would print the numbers from 9 to 0 (inclusive).

The final iterated values are – 20,17,14 and 11.Īlternatively, to get a reverse range in Python, you can use the reversed() function in combination with the range function. We have iterated from 20 to 10 (Reverse order) by decrementing 3 at each step. Let’s specify the negative step value in the range() function and iterate them with for loop. To decrement the range of values in for loop, use the negative value as a step parameter. # range() with start,stop and step parameters Note that here, I have used the step value as 2, so it increments by 2. Now, let’s specify all parameters start, stop, and step in the range() function with the Python for loop and iterate the range values using the for loop. Inside the for loop, we are displaying the values present in the range. Here, by default, it uses the start param as 0 and the step value as 1. Let’s specify only stop parameter in the range() function and iterate them using the for loop. Iterate for Loop range with Only Stop Value The for loop will iterate from 0 to 9 with the default step value as 1.

outer loop for i in range(1, 11): nested loop to iterate from 1 to 10 for j in range(1, 11): print multiplication print(i j, end' ') print() Run. Here, I have specified the start as 1 and the stop as 10 on range(). Example: Write a nested for loop program to print multiplication table in Python. This is typically used when you wanted to run a block of code a certain number of times. Let’s specify start and stop parameters in the range() function and iterate them using the for loop. Let’s see the syntax of range() with the for loop. The range function generates a sequence of numbers, starting from 0 by default, and increments by 1 (also by default), and stops before a specified number. You can use the range function in a for loop in Python to repeat a block of code a specific number of times. # Example 3: range() with start,stop and step parameters # Example 2: range() with start and stop parameters Quick Examples of using range() in the for loopįollowing are quick examples of range() with the for loop.

For i in range python example