![]() Python list comprehension how to#This is how to create a list in Python and access each list element. The last element, "enjoy life", can be reached with NewYearResolution. The second element, "lose weight", has an index of 1 and can be reached with NewYearResolution, and so on. The first element, "stop smoking", has an index of 0 and can be reached with the command NewYearResolution. Each resolution (element) is indexed with a number (0,1,2,3 or 4). Inside square brackets, list elements are defined and separated with a comma. In our example, "NewYearResolution" is the list name. Note how it is created in Python: NewYearResolution = Here is one example of a list of strings. You could even make a list of other lists. Lists can also be more complex, such as a collection of other objects. In Python, a list can be a collection of strings (like a New Year's resolution list) or a collection of numbers (like a list of your weight for each month of the last year). One of the most famous and most used collection objects or sequences in Python are lists. Lists and List Creation in Python: The Basics You will also learn how to use the list comprehension construct to create a list from a list that already exists. In this article, you'll learn how to create and modify a list in Python. Are you going to write it on paper or will you reach for your laptop and, like any other nerd, use Excel or some other tool like Python to save and maintain this list? It's also a great time to sit down and write a list of New Year's resolutions that you are planning to achieve in the incoming year. Here comes the New Year - the perfect time for your own personal re-evaluation and a retrospective of the last year. Everything you need to get started with lists and list comprehension in Python. ![]()
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