In this example, we define the end position with the number 4. Now Let’s look at another example where we define an end parameter: end = 4 Once it reaches the end of your specified range (in our case 11), it stops and returns your completed list. That iterator then goes through each number in your specified range one at a time and adds it to your list. Well, when you call list(xrange(1, 11)), what happens is that an object called an “ iterator” is created. Output: Code language: plaintext ( plaintext )Īs you can see from the example above, we were able to successfully create a list of integers from 1 to 10 using the xrange function without any problems. Print(my_list) Code language: Python ( python ) We would do that like this: Example 1 – Simple xrange Function my_list = list(xrange( 1, 11)) Suppose we want to create a list of integers from 1 to 10 using the xrange function. While you have to define an end position, the start and the step parameters are optional. step – Specifies the difference between all numbers in a sequence.start – Specifies the starting position. The parameters used here are the following: The syntax of the Python xrange() function is really simple: xrange(start, end, step) Code language: Python ( python ) Python 2 and Python 3 Support Python xrange Syntax xrange() range() Returns generator object. The xrange() function – Returns the generator which can be used for looping and displaying numbers.The range() function – Returns a range object (iterable).Therefore, if you’re using Python 3, there’s no need to use xrange. However, in Python 3, range is equivalent to xrange. Another difference is that xrange is only available in Python 2, while range is available in both Python 2 and 3. This is important when dealing with large lists of numbers, as xrange will use less memory than range. An “xrange object” is similar to a list, but instead of storing all the values in memory, it only stores the sequence information. The main difference between the two is that xrange generates an “xrange object” while range generates a list. Python xrange and range are both built-in functions in Python that generate a list of numbers. What is the difference between xrange and range in Python? That’s why it’s able to handle really large ranges without any problems. So, rather than generate the entire sequence of numbers upfront, which would take forever for really big ranges, it generates them as you need them. The Python xrange function works by returning an xrange object that generates a Sequence of Numbers on Demand. Luckily, there’s a solution: The Python xrange function. Trying to create that list using the range function would take forever because you would have to specify the stop argument as 1000000000 (that’s 10 followed by 9 zeros). This code prints out all numbers between 1 and 11, not including 11.īut what if you want to generate a really long sequence of numbers? Let’s say you want to generate a list of all the integers from 1 to 1 billion. Print(i) Code language: Python ( python ) So, if you want to generate a sequence of numbers from 1 to 10 using the range() function, you would use this code: # Python range example for i in range( 1, 11): The stop argument is one greater than the last number in the sequence. The start argument is the first number in the sequence. The range function takes two arguments: start and stop. In Python, the range() function is a built-in function that returns a sequence of numbers. Things To Keep In Mind When Using Python xrange What is Python xrange?.Example 5 – range and xrange Type Checking.Example 4 – xrange with start, end, and step Parameters.Example 3 – xrange with start and end Parameters.What is the difference between xrange and range in Python?.In this article, you’ll learn everything you need to know about the Python xrange function.
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