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  1. n = int(input())
  2.  
  3. namespaces = {'global' : ''}
  4. variables = {}
  5.  
  6.  
  7. def get_namespace(ns, v):
  8. 	if ns == '' or ns not in namespaces.keys():
  9. 		return 'None'
  10. 	if ns not in variables.keys():
  11. 		return get_namespace(namespaces[ns], v)
  12. 	if v in variables[ns]:
  13. 		return ns
  14. 	return get_namespace(namespaces[ns], v)
  15.  
  16.  
  17. for i in range(n):
  18. 	a, b, c = map(str, input().split())
  19. 	if a == 'create':
  20. 		namespaces[b] = c
  21. 	elif a == 'add':
  22. 		if b not in variables.keys():
  23. 			variables[b] = []
  24. 		variables[b].append(c)
  25. 	else:
  26. 		print(get_namespace(b, c))
  27.  
Runtime error #stdin #stdout #stderr 0.15s 23176KB
comments (?)
stdin
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2
create bar2 global
get bar2 a
stdout
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Standard output is empty
stderr
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Traceback (most recent call last):
  File "./prog.py", line 26, in <module>
  File "./prog.py", line 12, in get_namespace
KeyError: 'bar2'
https://ideone.com/JFcB7n
language:
Python 3 (python  3.9.5)
created:
2 years ago
visibility:
public

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