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  1. num = int(input())
  2. for count in range(num):
  3.     password = input()
  4.     result = []
  5.     curser = 0
  6.  
  7.     for i in range(len(password)):
  8.         if password[i] == '<':
  9.             if len(result) > 0:
  10.                 curser -= 1
  11.         elif password[i] == '>':
  12.             if len(result) != 0 and curser < len(result):
  13.                 curser += 1
  14.         elif password[i] == '-':
  15.             if len(result) > 1:
  16.                 del result[curser - 1]
  17.         else:
  18.             if curser == len(result):
  19.                 curser += 1
  20.                 result.append(password[i])
  21.             else:
  22.                 result2 = result[:]
  23.                 result = []
  24.                 result.extend(result2[:curser])
  25.                 result.append(password[i]) 
  26.                 result.extend(result2[curser:])
  27.                 curser += 1
  28.     print(''.join(result))
Runtime error #stdin #stdout #stderr 0.12s 23452KB
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stdin
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1
<<a>>c--d-e
stdout
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Standard output is empty
stderr
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Traceback (most recent call last):
  File "./prog.py", line 16, in <module>
IndexError: list assignment index out of range
https://ideone.com/F9NDQ8
language:
Python 3 (python  3.9.5)
created:
3 years ago
visibility:
public

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