Name: input() in Python
Uploaded: 2020-08-03T20:57:02Z
Duration: 7 min 3 s
Description: Master Pythons input() function for user interaction. Learn how to seamlessly gather user input, handle responses, and apply best practices for robust applications.

Python: Get a List as Input from User<\/h2>

In this video, we will explore how to get a list as input from the user in Python. Accepting user input in the form of a list is a common task that allows for more dynamic and flexible programs. This tutorial is perfect for students, professionals, or anyone interested in enhancing their Python programming skills.<\/p>

Why Learn About Getting a List as Input?<\/h3>

Understanding how to get a list as input helps to:<\/p>

Create interactive programs that respond to user input.<\/li>
Handle and process multiple pieces of data at once.<\/li>
Enhance user experience by allowing them to input complex data structures.<\/li><\/ul>
Key Concepts<\/h3>
1. User Input:<\/strong><\/p>
- The data entered by the user during the program execution.<\/li><\/ul>
  2. List:<\/strong><\/p>
  A collection data type in Python that is ordered and changeable, allowing duplicate members.<\/li><\/ul>
  3. input() Function:<\/strong><\/p>
  A built-in Python function used to capture user input.<\/li><\/ul>
  Methods to Get a List as Input<\/h3>
  1. Using input() Function with String Manipulation:<\/strong><\/p>
  Capture the user input as a string and then convert it into a list.<\/li><\/ul>
  2. Using List Comprehension:<\/strong><\/p>
  Use list comprehension to generate a list from user input.<\/li><\/ul>
  3. Using split() Method:<\/strong><\/p>
  Use the split() method to break the input string into a list of elements based on a delimiter.<\/li><\/ul>
  Practical Examples<\/h3>
  Example 1: Getting a List of Numbers from User Input<\/strong><\/p>
  Capture Input:<\/strong><\/p>
  Prompt the user to enter numbers separated by spaces.<\/li><\/ul>
  Convert to List:<\/strong><\/p>
  Use the split() method to convert the input string into a list of numbers.<\/li><\/ul>
  Convert Elements to Integers:<\/strong><\/p>
  Convert the list elements from strings to integers.<\/li><\/ul>
  Example 2: Getting a List of Strings from User Input<\/strong><\/p>
  Capture Input:<\/strong><\/p>
  Prompt the user to enter words separated by commas.<\/li><\/ul>
  Convert to List:<\/strong><\/p>
  Use the split() method to convert the input string into a list of words.<\/li><\/ul>
  Example 3: Using List Comprehension<\/strong><\/p>
  Capture Input:<\/strong><\/p>
  Prompt the user to enter a series of values.<\/li><\/ul>
  Convert to List:<\/strong><\/p>
  Use list comprehension to process and store the input values in a list.<\/li><\/ul>
  Practical Applications<\/h3>
  Data Collection:<\/strong><\/p>
  Collect multiple pieces of user input at once for processing.<\/li><\/ul>
  Dynamic Programming:<\/strong><\/p>
  Allow programs to adapt based on user-provided lists of data.<\/li><\/ul>
  User Interaction:<\/strong><\/p>
  Enhance the interactivity of your programs by accepting complex input from users.<\/li><\/ul>
  Additional Resources<\/h2>
  For more detailed information and a comprehensive guide on getting a list as input from the user in Python, check out the full article on GeeksforGeeks: https:\/\/www.geeksforgeeks.org\/python-get-a-list-as-input-from-user\/<\/a>. This article provides in-depth explanations, examples, and further readings to help you master this technique.<\/p>
  By the end of this video, you\u2019ll have a solid understanding of how to get a list as input from the user in Python, enhancing your ability to create interactive and dynamic programs.<\/p>
  Read the full article for more details:<\/strong> https:\/\/www.geeksforgeeks.org\/python-get-a-list-as-input-from-user\/<\/a>.<\/p>
  Thank you for watching!<\/p>\",\"source\":\"https:\/\/videos.geeksforgeeks.org\/hls\/54d5cb1788b2f46d6f0c9761471cd5f9gfg-GetalistasinputfromuserinPython20240701185116.m3u8\",\"category\":[{\"term_id__id\":10,\"term_id__term_name\":\"Python\",\"term_id__term_type\":1,\"term_id__slug\":\"python\"},{\"term_id__id\":118,\"term_id__term_name\":\"Python\",\"term_id__term_type\":2,\"term_id__slug\":\"python-eghmaz\"}],\"meta\":{\"thumbnail\":\"https:\/\/media.geeksforgeeks.org\/geeksforgeeks\/GetalistasinputfromuserinPython\/GetalistasinputfromuserinPython20240701185120-small.png\",\"largeThumbnail\":\"https:\/\/media.geeksforgeeks.org\/geeksforgeeks\/GetalistasinputfromuserinPython\/GetalistasinputfromuserinPython20240701185120.jpg\",\"likes\":0,\"views\":9270,\"isFeatured\":0,\"isPremium\":0,\"isPublic\":0,\"format\":\"video\/mp4\",\"revision\":{}},\"time\":\"01\/07\/2024\",\"subtitle\":\"https:\/\/videos.geeksforgeeks.org\/subtitles\/GetalistasinputfromuserinPython20240701185116.vtt\",\"duration\":731,\"course_link\":null}]"); Get a list as input from user in Python - GeeksforGeeks
  
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  Get a list as input from user in Python
  
  Last Updated : 18 Sep, 2025
  
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  In Python, getting a list as input means a program should prompt the user to enter multiple values during execution, and these values should be captured and stored in a Python list data structure.
  Using Split() method
  input() function can be combined with split() to accept multiple elements in a single line and store them in a list. The split() method separates input based on spaces and returns a list.
  Example: This code takes a single line of input from the user and splits it into a list of strings.
  Python li = input("Enter elements separated by space: ").split() print("List:", li)
  Output
  Enter elements separated by space: 1 2 3 4 5
  List: ['1', '2', '3', '4', '5']
  Explanation:
  input() collects the user input as a string.
  .split() divides the string into parts wherever there is a space.
  The result is stored as a list of strings.
  Using a Loop
  This method lets users add one element at a time, it is ideal when the size of the list is fixed or predefined. Here we are using a loop to repeatedly take input and append it to the list.
  Example: This code uses a loop to take n inputs from the user and appends each to a list.
  Python a = [] n = int(input("Enter the number of elements: ")) for i in range(n): element = input(f"Enter element {i+1}: ") a.append(element) print("List:", a)
  Output
  Enter the number of elements: 3
  Enter element 1: Python
  Enter element 2 : is
  Enter element 3: fun
  List: ['Python', 'is', 'fun']
  Explanation:
  int(input()) converts the number of elements to an integer.
  The for loop repeats input collection n times.
  append() adds each element to the list.
  Using map()
  When your list contains numbers, you can combine split() with map() to automatically convert input to integers (or floats).
  Example: This code takes a single line of numeric input, splits it and converts all elements to integers.
  Python li = list(map(int, input("Enter numbers separated by space: ").split())) print("List:", li)
  Output
  Enter numbers separated by space: 1 2 3 4 5
  List: [1, 2, 3, 4, 5]
  Explanation:
  map(int, ...) applies int() to every element of the list returned by split().
  Wrapping it with list() converts the map object into a proper list of integers.
  Using List Comprehension
  List comprehension provides a compact way to create a list from user input. Combines a loop and input() into a single line for it be concise and quick.
  Example: This code uses list comprehension to collect n elements from the user in a single line of code.
  Python n = int(input("Enter the number of elements: ")) a = [input(f"Enter element {i+1}: ") for i in range(n)] print("List:", a)
  Output
  Enter the number of elements: 3
  Enter element 1: dog
  Enter element 2: cat
  Enter element 3: bird
  List: ['dog', 'cat', 'bird']
  Explanation:
  [input(...) for i in range(n)] runs the input() function n times.
  Each input is automatically added to the list.
  Accepting a Nested List
  A nested list is a list that contains other lists as its elements. You can take a nested list as input by splitting the input string twice: once for sublists, and once for elements within each sublist.
  Example: This code takes input for a nested list using commas for elements and semicolons for sublists.
  Python li = [x.split(",") for x in input("Enter nested list (use commas and semicolons): ").split(";")] print("Nested List:", li)
  Output
  Enter nested list (use commas and semicolons): 1,2,3;4,5;6,7,8
  Nested List: [['1', '2', '3'], ['4', '5'], ['6', '7', '8']]
  Explanation:
  Outer split(";") separates the input into sublists.
  Inner split(",") divides each sublist into individual elements.
  This is useful for matrices, grids or grouped data.
  
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