Looping Through Arrays in Python: Iterating Over Array Elements

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Since the array object behaves like a sequence, you can iterate through its elements with the help of for loop or while loop.

"for" Loop with Array

Take a look at the following example −

import array as arr a = arr.array('d', [1, 2, 3]) for x in a: print (x)

It will produce the following output −

1.0
2.0
3.0

"while L oop with Array

The following example shows how you can loop through an array using a while loop −

import array as arr a = arr.array('d', [1, 2, 3]) l = len(a) idx =0 while idx<l: print (a[idx]) idx+=1

"for Loop with Array I ndex

We can find the length of array with built-in len() function. Use the it to create a range object to get the series of indices and then access the array elements in a for loop.

import array as arr a = arr.array('d', [1, 2, 3]) l = len(a) for x in range(l): print (a[x])

You will get the same output as in the first example.

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Looping Through Arrays in Python: Iterating Over Array Elements

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"for" Loop with Array

"while L oop with Array

"for Loop with Array I ndex

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