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Python ord(), chr() functions

Published on August 3, 2022
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By Pankaj
Developer and author at DigitalOcean.
Python ord(), chr() functions

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Python ord() and chr() are built-in functions. They are used to convert a character to an int and vice versa. Python ord() and chr() functions are exactly opposite of each other.

Python ord()

Python ord() function takes string argument of a single Unicode character and return its integer Unicode code point value. Let’s look at some examples of using ord() function.

x = ord('A')
print(x)

print(ord('ć'))
print(ord('ç'))
print(ord('$'))

Output:

65
263
231
36

Python chr()

Python chr() function takes integer argument and return the string representing a character at that code point.

y = chr(65)
print(y)
print(chr(123))
print(chr(36))

Output:

A
{
$
ć

Since chr() function takes an integer argument and converts it to character, there is a valid range for the input. The valid range for the argument is from 0 through 1,114,111 (0x10FFFF in hexadecimal format). ValueError will be raised if the input integer is outside that range.

chr(-10)

Output:

ValueError: chr() arg not in range(0x110000)

Let’s see an example of using ord() and chr() function together to confirm that they are exactly opposite of another one.

print(chr(ord('ć')))
print(ord(chr(65)))

Output:

ć
65

That’s all for a quick introduction of python ord() and chr() functions.

You can checkout complete python script and more Python examples from our GitHub Repository.

Reference: Official Documentation - ord, Official Documentation - chr

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About the authors
Default avatar
Pankaj

author

Developer and author at DigitalOcean.

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JournalDev
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January 12, 2022

mega nützliche tipp danke bro

- milo

    JournalDev
    DigitalOcean Employee
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    May 23, 2020

    Thank you. You explain things very clearly.

    - Neil Thomas

      JournalDev
      DigitalOcean Employee
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      March 26, 2020

      Thank you very much!

      - Vishal Vijaykumar Parkar

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