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  1.  
  2. # Decode
  3.  
  4. from decimal import Decimal
  5.  
  6. file = open('test.txt', 'r')
  7.  
  8. ar = []
  9. n = 30
  10.  
  11. for i in range(n):
  12.     ar.append([])
  13.     for x in range(n):
  14.         ar[i].append([])
  15.         for z in range(n):
  16.             line = file.readline()
  17.             if not line:
  18.                 break
  19.             line = str(line).replace(' ', '').replace('\n', '')
  20.             line = float(Decimal(line))
  21.             ar[i][x].append(line)
  22.  
  23. print(ar)
  24.  
Runtime error #stdin #stdout #stderr 0.04s 9776KB
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stdin
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Standard input is empty
stdout
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Standard output is empty
stderr
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Traceback (most recent call last):
  File "./prog.py", line 6, in <module>
FileNotFoundError: [Errno 2] No such file or directory: 'test.txt'
https://ideone.com/pEGbUG
language:
Python 3 (python  3.9.5)
created:
5 years ago
visibility:
public

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