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  1. import sys
  2.  
  3. a=sys.stdin.readline().split('-')
  4. for i in range(len(a)):
  5.     if a[i].find("+") >0:
  6.     	x,y = map(int,a[i].split("+"))
  7.     	a[i] = int(x)+int(y)
  8. x = int(a[0])*2
  9. for i in a:
  10. 	x-=int(i)
  11. print(x)
Runtime error #stdin #stdout #stderr 0.13s 23600KB
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stdin
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1+1+1-1
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>
ValueError: too many values to unpack (expected 2)
https://ideone.com/E5xxX4
language:
Python 3 (python  3.9.5)
created:
4 years ago
visibility:
public

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