Python ascii() function

The ascii() function in Python is used to replace any non-ASCII characters with escape characters. For example:

x = "cödëscråckêr.cöm"
print(ascii(x))

The characters ö, ë, å, and ê are non-ascii characters. Therefore, the function ascii() converts or replaces all these non-ASCII characters with escape characters. That is:

• ö replaced with \xf6
• ë replaced with \xeb
• å replaced with \xe5
• ê replaced with \xea

Here is the output produced by the above Python program, demonstrating the ascii() function:

'c\xf6d\xebscr\xe5ck\xear.c\xf6m'

Python ascii() function syntax

The syntax of the ascii() function in Python is:

ascii(obj)

The "obj" is any object, such as a list, string, tuple, dictionary, etc.

Python ascii() function example

Here's a simple Python ascii() function example:

x = ["cödes", "crackër", "dot", "com"]
x = ascii(x)
print(x)

Here is its sample output:

['c\xf6des', 'crack\xebr', 'dot', 'com']

Advantages of the ascii() function in Python

• Readability: Non-printable or non-ASCII characters can be represented in a printable form using the ascii() function, which can make strings and objects easier to read.
• Python 2 and Python 3 both support the ascii() function, making it a portable option for encoding non-ASCII characters.
• Consistency: The ascii() function offers a consistent method of encoding characters and objects, making sure that they can be represented and processed correctly across various platforms and systems.

Disadvantages of the ascii() function in Python

• The ascii() function has limited functionality because it can only encode printable non-ASCII characters and objects. It cannot be used to carry out other operations or convert objects into different data types.
• Size of output: The ascii() function can generate lengthy and occasionally difficult-to-read output, especially for objects that contain a large number of non-ASCII characters.
• Character loss: Because the ascii() function only supports the ASCII character set, some non-ASCII characters may have information lost or their meaning altered during the encoding process. As a result, objects or strings may be represented inaccurately or insufficiently.

Python Online Test