Question

What is the StringBuilder() equivalent in Python

Answer 1

lst = ['python' for i in range(3)]
 
s = "".join(lst)
 
print(s)
 
  
   
   
   
'''
run:
   
pythonpythonpython
   
'''

 

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Answer 2

lst = ['python' for i in range(3)]

s = ''
for i in range(len(lst)):
    s += lst[i]

print(s)

 
  
  
  
'''
run:
  
pythonpythonpython
  
'''

 

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Answer 3

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")

print(sb)



'''
run:

Python C++ C

'''

 

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Answer 4

from io import StringIO

lst = ['python' for i in range(3)]

sio = StringIO()  
for i in range(len(lst)):
    sio.write(lst[i])
    
print(sio.getvalue())
  

    
    
    
'''
run:
    
pythonpythonpython
    
'''

 

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