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  1. def do(operations):
  2.     result = 0
  3.     length = len(operations)
  4.     list_i = list(range(0,length))
  5.     for i in list_i :
  6.         if(operations[i]=="--"):
  7.             result -= 1
  8.         elif(operations[i]=="++"):
  9.             result += 1
  10.     return result
  11.  
  12.  
  13. experession_list = ["++","++","--","++"]
  14. result = do(experession_list)
  15. print(result)# your code goes here
Success #stdin #stdout 0.03s 9536KB
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https://ideone.com/7bHbMP
language:
Python 3 (python  3.9.5)
created:
1 day ago
visibility:
public

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