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Python List All Elemenmts Divided By 10

4 min read Oct 12, 2024
Python List All Elemenmts Divided By 10

How to List All Elements in a Python List Divided by 10

Working with lists in Python is fundamental to any programming task. Often, you'll need to perform operations on list elements, such as dividing each element by a specific number. This article will guide you through the process of listing all elements in a Python list that are divisible by 10.

Understanding the Problem

Imagine you have a list of numbers, and you want to extract only the elements that are perfectly divisible by 10. For instance, given the list [10, 25, 30, 42, 50], you aim to get a new list containing only [10, 30, 50].

Python Code to List Elements Divisible by 10

my_list = [10, 25, 30, 42, 50]
divisible_by_10 = []

for element in my_list:
  if element % 10 == 0:
    divisible_by_10.append(element)

print(divisible_by_10) # Output: [10, 30, 50]

In this code:

  1. my_list: This variable holds your original list of numbers.
  2. divisible_by_10: This empty list will store the elements divisible by 10.
  3. for element in my_list: This loop iterates through each element in my_list.
  4. if element % 10 == 0: This condition checks if an element is divisible by 10 without any remainder. If it is, the element is added to the divisible_by_10 list.
  5. divisible_by_10.append(element): This appends the element to the divisible_by_10 list.

Using List Comprehension for Efficiency

Python offers a more concise way to achieve the same outcome using list comprehension:

my_list = [10, 25, 30, 42, 50]
divisible_by_10 = [element for element in my_list if element % 10 == 0]

print(divisible_by_10) # Output: [10, 30, 50]

This code does the same thing as the previous example, but in a single line:

  1. [element for element in my_list if element % 10 == 0]: This creates a new list divisible_by_10 by iterating through my_list, checking if each element is divisible by 10, and adding it to the new list if it is.

Conclusion

This article has shown you two effective methods for listing all elements in a Python list that are divisible by 10. The first method uses a traditional for loop with an if condition, while the second method utilizes a concise and efficient list comprehension. Choose the method that best suits your needs and coding style. Remember, mastering list manipulation in Python is crucial for building powerful and flexible programs.

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