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In Python, arrays are commonly represented using lists. Iterating over an array is a fundamental operation in programming, allowing you to access and process each element sequentially. In this tutorial, we'll explore various ways to iterate over an array in Python, providing code examples for better understanding.
The most straightforward way to iterate over an array is by using a for loop. Here's a simple example:
This loop iterates over each element in the array my_array and prints it to the console.
You can also use the range function to iterate over the indices of the array and access elements by index:
This approach provides more control over the iteration process by allowing you to access elements based on their indices.
The enumerate function can be used to iterate over both the index and the element at the same time:
This is particularly useful when you need both the index and the corresponding element during the iteration.
List comprehension is a concise way to create lists, and it can also be used for iterating over arrays:
In this example, a new list is created with the squared values of each element in the original array.
Iterating over an array is a fundamental skill in Python programming. Whether you use a simple for loop, the range function, enumerate, or list comprehension, understanding these techniques will help you manipulate and process arrays effectively in your programs. Experiment with these methods and choose the one that best fits your specific use case.
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