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Solution: Define a Class that Performs Operations on a String

Explore how to create a Python class designed for string operations. Understand initializing data members, retrieving string values, overloading operators for concatenation, and methods for converting strings to uppercase and lowercase.

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The solution to the problem of defining a class that performs operations on a string in Python is given below.

Solution

Python 3.8
class String :
  def __init__(self, x) :
    self.s = x
    
  def getString(self) :
    return self.s
  def __iadd__(self, other) :
    self.s = self.s + other.s
    return self
    
  def toUpper(self) :
    self.s = self.s.upper( )
    
  def toLower(self) :
    self.s = self.s.lower( )
a = String('www.abcd')
b = String('.com')
a += b
print("Concatenated string:",a.getString())
a.toUpper( )
print("Lower to upper:",a.getString())
a.toLower( )
print("Upper to lower:",a.getString())

Explanation

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