Input a list using split method in python

Published: 29 August 2024
on channel: CodeMore

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sure! the `split()` method in python is a very useful string method that allows you to break a string into a list of substrings based on a specified separator. by default, it splits the string at whitespace characters (spaces, newlines, tabs).

using `split()` to input a list

when you want to input a list from the user, you can use the `input()` function to get a string from the user, and then apply the `split()` method to create a list. this is particularly useful for collecting multiple values in a single line of input.

tutorial steps

1. **prompt the user for input**: use the `input()` function to get a string from the user.
2. **split the string into a list**: use the `split()` method to convert the string into a list.
3. **optional - convert data types**: if the user needs to input numeric values, you might want to convert the list items from strings to integers or floats.

code example

here's a practical example that demonstrates how to input a list of numbers from the user.

explanation of the code

1. **input**: the `input()` function prompts the user to enter a series of numbers separated by spaces.
2. **split**: the `user_input.split()` method splits the input string at each space, resulting in a list of strings.
3. **conversion**: the list comprehension `[int(num) for num in numbers_list]` converts each string in the list to an integer.
4. **output**: finally, the program prints the list of numbers and calculates their sum using the `sum()` function.

example usage

if a user inputs:

the output will be:

conclusion

using the `split()` method in conjunction with `input()` allows for flexible and user-friendly data collection in python. you can easily adjust the separator by passing a string argument to `split()`, for example, `split(',')` for comma-separated values. this method is very handy for processing user input efficiently.

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