Question

How to create StringBuilder class that append strings in Python

Answer 1

from io import StringIO

class StringBuilder:
     _s = None

     def __init__(self):
         self._s = StringIO()

     def Append(self, str):
         self._s.write(str)

     def __str__(self):
         return self._s.getvalue()

sb = StringBuilder()

sb.Append("Python ")
sb.Append("C++ ")
sb.Append("C ")
sb.Append("Java ")

print(sb)




'''
run:

Python C++ C Java 

'''

 

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