Collections.UserString in Python

by Online Tutorials Library July 14, 2022

Collections.UserString in Python

Strings are the bytes that represent Unicode characters. Characters are strings that are of length one. The problem is that Python doesn’t support this data type character.

Example:

  # First, we will create a String with a single Quotes  String_1 = ‘tutoraspire is the best platform to learn Python’  print(“String with the use of Single Quotes: “)  print(String_1)       # Now, we will create a String with double Quotes  String_2 = “tutoraspire is the best platform to learn Python”  print(“n String with the use of Double Quotes: “)  print(String_2)  

Output

String with the use of Single Quotes:   tutoraspire is the best platform to learn Python     String with the use of Double Quotes:   tutoraspire is the best platform to learn Python

Collections.UserString

Python provides a String as a container, referred to as UserString, included in the collection module. This class functions as an additional class that wraps around string objects. This class is helpful in the case of creating strings of their own that have been modified or even with new features. It is an option to create new features to the string. This class can be used to take any argument that could be converted into strings and create a simulation of an unstructured string with its contents stored in a regular string. The string can be accessed via its data attribute.

Syntax:

The syntax for UserString is:

Example 1: (User dictionary with value and empty)

  from collections import UserString as US  P = 123546     # Here, we will create an UserDict  user_string = US(P)  print(“UserString 1: “, user_string.data)  # Now, we will create an empty UserDict  user_string = US(“”)  print(“UserString : “, user_string.data)  

Output

UserString 1:  123546  UserString :

Example 2: Mutable String (Append function and Remove function)

  from collections import UserString as US  # Here, we will create a Mutable String  class User_string(US):             # Function to append to string      def append(self, s):          self.data += s                 # Function to remove from string      def remove(self, s):          self.data = self.data.replace(s, “”)         # Driver’s code  s_1 = User_string(“tutoraspire”)  print(“The Original String: “, s_1.data)     # Here, we will Append to string  s_1.append(“ing”)  print(“String After Appending: “, s_1.data)     # Here, we will Remove from string  s_1.remove(“a”)  print(“String after Removing: “, s_1.data)  

Output

The Original String:  tutoraspire  String After Appending:  tutoraspireing  String after Removing:  JvTpointing

Conclusion

In this tutorial, we have discussed how to use UserString function of “collections” module in Python.

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