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Jan 16th, 2019
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Python 0.25 KB | None | 0 0
  1. def check(s):
  2.     ls=0; vyhod="true"
  3.  
  4.     for i in s:
  5.         if i=='{': ls=ls+1
  6.         if i=='}': ls=ls-1
  7.  
  8.     if ls!=0: vyhod="false"
  9.     return vyhod
  10.  
  11.  
  12.  
  13. stroka=input ("ввидите строку:")
  14. otvet=check(stroka)
  15.  
  16. print(otvet)
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