freeCodeCamp/guide/english/python/ord-function/index.md

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---
title: Python Ord Function
---
## Ord function
`ord()` is a built-in function in Python 2.7 & 3, to convert the string representing one Unicode character into integer
representing the Unicode code of the character.
#### Examples:
```
>>> ord('d')
100
>>> ord('1')
49
```
## chr function
`chr()` is a built-in function in Python 2.7 & 3, to convert the integer
representing the Unicode code into a string representing a corresponding character.
#### Examples:
```
>>> chr(49)
'1'
```
One thing is to be noted that, if the integer value passed to `chr()` is out of range then, a ValueError will be raised.
```
>>> chr(-10)
'Traceback (most recent call last):
File "<pyshell#24>", line 1, in <module>
chr(-1)
ValueError: chr() arg not in range(0x110000)'
```