How to declare an array in Python

In this article, we will see various methods for declaring array in python

arr = [1, 2, 3, 4, 5]

for i in arr:
	print(i)

Output:

import array

arr = array.array('i', [1, 2, 3, 4])

for i in arr:
	print(i, end=" ")

Output:

1 2 3 4

NumPy has several functions to create arrays

import numpy as np

# Creating an array from 0 to 9
arr = np.arange(10) 
print(arr)

ar = np.array([1, 2, 3, 4, 5])
print(ar)

Output:

[0 1 2 3 4 5 6 7 8 9]
[1 2 3 4 5]

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