Programming Tutorials

Array in python

By: Koothrapalli in Python Tutorials on 2012-04-07  

In Python, an array is a collection of items of the same data type, stored in contiguous memory locations. However, Python doesn't have built-in support for arrays like some other programming languages, such as C or Java. Instead, Python has a built-in list data type, which can be used to store arrays and provides many additional features.

Here's an example of creating an array using a list in Python:

# Creating an array of integers
my_array = [1, 2, 3, 4, 5]

# Creating an array of strings
my_array = ["apple", "banana", "cherry"]

# Creating an array of mixed data types
my_array = [1, "apple", True, 3.14]

To access elements of an array in Python, you can use indexing. The first element of an array has an index of 0, the second element has an index of 1, and so on. You can also use negative indexing to access elements from the end of the array.

Here's an example of accessing elements of an array using indexing:

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

# Accessing the first element of the array
print(my_array[0])  # Output: 1

# Accessing the last element of the array
print(my_array[-1])  # Output: 5

You can also perform various operations on arrays in Python, such as adding or removing elements, sorting, reversing, and concatenating arrays.

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

# Adding an element to the end of the array

# Removing an element from the array

# Sorting the array

# Reversing the array

# Concatenating two arrays
new_array = [7, 8, 9]
my_array += new_array

In general, the list data type provides a lot of flexibility and functionality that makes it a powerful tool for working with arrays in Python.

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