Python Array tounicode() Method

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The Python array tounicode() method is used to convert the array to a unicode string. To execute this method the array must be a type 'u' array.

Syntax

Following is the syntax of Python array tounicode() method −

array_name.tounicode()

Parameters

This method does not accept any parameter.

Return Value

This method returns Unicode string of an array.

Example 1

Following is a basic example of the Python array tounicode() method −

import array as arr
#Initialize array with unicode characters
arr1 = arr.array("u", ['a','b','c','d','e','f'])
print("Array Elements :",arr1)
#Convert array to unicode string
unicode1= arr1.tounicode()
print("Elements After the Conversion :",unicode1)

Output

Following is the output of above code −

Array Elements : array('u', 'abcdef')
Elements After the Conversion : abcdef

Example 2

If the current array is not of string datatype this method will generate a ValueError.

Here, we have created an array of int datatype when we try to convert to unicode string we will get an error −

import array as arr
arr2=arr.array("i",[1,2,3,4,5])
print("Array Elements :",arr2)
arr2.tounicode()
print("Elements After the Conversion :",arr2)

Output

Array Elements : array('i', [1, 2, 3, 4, 5])
Traceback (most recent call last):
  File "E:\pgms\Arraymethods prgs\tounicode.py", line 22, in <module>
    arr2.tounicode()
ValueError: tounicode() may only be called on unicode type arrays

Example 3

If the datatype of array is other than 'u' (Unicode) then we need to convert the current array to a sequence of bytes using the tobytes() method and use decode() method to convert the array to a Unicode string −

import array as arr
myArray = arr.array('i',[12,67,89,34])
print("Array Elements :",myArray)
myArray.tobytes().decode()
print("Elements After the Conversion :",myArray) 

Output

Following is the output of the above code −

Array Elements : array('i', [12, 67, 89, 34])
Elements After the Conversion : array('i', [12, 67, 89, 34])