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  1. x=x+1
  2. print(x)
  3.  
Runtime error #stdin #stdout #stderr 0.2s 23648KB
comments (?)
stdin 
Standard input is empty
stdout 
Standard output is empty
stderr 
Traceback (most recent call last):
  File "./prog.py", line 1, in <module>
    x=x+1
NameError: name 'x' is not defined
https://ideone.com/3uMC6s
language:
Python 3 nbc (python 3.7.3)
created:
194 days ago
visibility:
secret

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