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ord() function in Python
  • Difficulty Level : Medium
  • Last Updated : 21 Jan, 2021

In Python, the ord() function accepts a string of unit length as an argument and returns the Unicode equivalence of the passed argument. In other words, given string of length 1, the ord() function returns an integer representing the Unicode code point of the character when the argument is a Unicode object, or the value of the byte when the argument is an 8-bit string.

Syntax: 

ord("string")

For example, ord(‘a’) returns the integer 97, ord(‘€’) (Euro sign) returns 8364. This is the inverse of chr() for 8-bit strings and of unichr() for Unicode objects. If a Unicode argument is given and Python is built with UCS2 Unicode, then the character’s code point must be in the range [0..65535] inclusive. 

Note: If the string length is more then one, and a TypeError will be raised. The syntax can be ord(“a”) or ord(‘a’), both will give same results. 

Example: 



Python




# inbuilt function return an
# integer representing the Unicode code
value = ord("A")
 
# writing in ' ' gives the same result
value1 = ord('A')
 
# prints the unicode value
print value, value1

Output: 

65 65

Error Condition:

A TypeError is raised when the length of the string is not equal to 1 as shown below:

Python3




# inbuilt function return an
# integer representing the Unicode code
# demonstrating exception
 
# Raises Exception
value1 = ord('AB')
 
# prints the unicode value
print(value1)

Runtime Error : 

Traceback (most recent call last):

  File “/home/f988dfe667cdc9a8e5658464c87ccd18.py”, line 6, in 

    value1 = ord(‘AB’)

TypeError: ord() expected a character, but string of length 2 found

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